SlideShare una empresa de Scribd logo
1 de 8
What is knowledge?  How is it different from belief?  What is a mistake?  A lie? Abdus  Francesca Manomi
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
Theory of Value Theory of Knowledge Theory of Human Nature Theory of Learning Theory of Transmission Theory of Society Theory of Consensus Theory of Opportunity Main Theories
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Bibliography ,[object Object],[object Object],[object Object],[object Object]

Más contenido relacionado

La actualidad más candente

Noam chomsky on Universal Grammar
Noam chomsky on Universal GrammarNoam chomsky on Universal Grammar
Noam chomsky on Universal GrammarMara Gabriel
 
Chomskyan linguistics lec 3
Chomskyan linguistics lec 3Chomskyan linguistics lec 3
Chomskyan linguistics lec 3Hina Honey
 
U fhp 2012-13-l3-sla-handout 1-2 - inconnu(e)
U fhp  2012-13-l3-sla-handout 1-2 - inconnu(e)U fhp  2012-13-l3-sla-handout 1-2 - inconnu(e)
U fhp 2012-13-l3-sla-handout 1-2 - inconnu(e)blessedkkr
 
Language acquisition device (LAD) / Universal Grammar (UG)
Language acquisition device (LAD) / Universal Grammar (UG) Language acquisition device (LAD) / Universal Grammar (UG)
Language acquisition device (LAD) / Universal Grammar (UG) atravesanoud
 
Theory of innateness
Theory of innatenessTheory of innateness
Theory of innatenessAsif Ali Raza
 
Chomsky new
Chomsky newChomsky new
Chomsky newNeethuB3
 
Themes of psycholinguistics
Themes of psycholinguisticsThemes of psycholinguistics
Themes of psycholinguisticsIdja Kitink
 
“Comparative essay. Comparing Krashen and Chomsky`s approaches on language ac...
“Comparative essay. Comparing Krashen and Chomsky`s approaches on language ac...“Comparative essay. Comparing Krashen and Chomsky`s approaches on language ac...
“Comparative essay. Comparing Krashen and Chomsky`s approaches on language ac...marialagoslagos
 
Intro. to Linguistics_2&3 Linguistics and Language
Intro. to Linguistics_2&3 Linguistics and LanguageIntro. to Linguistics_2&3 Linguistics and Language
Intro. to Linguistics_2&3 Linguistics and LanguageEdi Brata
 
Linguistics: The Study of Language
Linguistics: The Study of LanguageLinguistics: The Study of Language
Linguistics: The Study of LanguageLorelei Logsdon
 
Chomsky1 by prof. nazir malik
Chomsky1 by prof. nazir malikChomsky1 by prof. nazir malik
Chomsky1 by prof. nazir malikJahanzeb Jahan
 

La actualidad más candente (18)

Noam chomsky-
Noam chomsky-Noam chomsky-
Noam chomsky-
 
Noam chomsky on Universal Grammar
Noam chomsky on Universal GrammarNoam chomsky on Universal Grammar
Noam chomsky on Universal Grammar
 
Formal approaches (3)
Formal approaches (3)Formal approaches (3)
Formal approaches (3)
 
Chomskyan linguistics lec 3
Chomskyan linguistics lec 3Chomskyan linguistics lec 3
Chomskyan linguistics lec 3
 
U fhp 2012-13-l3-sla-handout 1-2 - inconnu(e)
U fhp  2012-13-l3-sla-handout 1-2 - inconnu(e)U fhp  2012-13-l3-sla-handout 1-2 - inconnu(e)
U fhp 2012-13-l3-sla-handout 1-2 - inconnu(e)
 
Language acquisition device (LAD) / Universal Grammar (UG)
Language acquisition device (LAD) / Universal Grammar (UG) Language acquisition device (LAD) / Universal Grammar (UG)
Language acquisition device (LAD) / Universal Grammar (UG)
 
Week 3 by mam samina
Week   3 by mam samina Week   3 by mam samina
Week 3 by mam samina
 
Theory of innateness
Theory of innatenessTheory of innateness
Theory of innateness
 
Chomsky new
Chomsky newChomsky new
Chomsky new
 
Themes of psycholinguistics
Themes of psycholinguisticsThemes of psycholinguistics
Themes of psycholinguistics
 
“Comparative essay. Comparing Krashen and Chomsky`s approaches on language ac...
“Comparative essay. Comparing Krashen and Chomsky`s approaches on language ac...“Comparative essay. Comparing Krashen and Chomsky`s approaches on language ac...
“Comparative essay. Comparing Krashen and Chomsky`s approaches on language ac...
 
Intro. to Linguistics_2&3 Linguistics and Language
Intro. to Linguistics_2&3 Linguistics and LanguageIntro. to Linguistics_2&3 Linguistics and Language
Intro. to Linguistics_2&3 Linguistics and Language
 
Ingry asl
Ingry aslIngry asl
Ingry asl
 
Intro to linguistics
Intro to linguisticsIntro to linguistics
Intro to linguistics
 
Noam Chomsky
Noam ChomskyNoam Chomsky
Noam Chomsky
 
Linguistics: The Study of Language
Linguistics: The Study of LanguageLinguistics: The Study of Language
Linguistics: The Study of Language
 
Chomsky1 by prof. nazir malik
Chomsky1 by prof. nazir malikChomsky1 by prof. nazir malik
Chomsky1 by prof. nazir malik
 
Lad
LadLad
Lad
 

Destacado

Exposicion Etica Y Valores
Exposicion Etica Y ValoresExposicion Etica Y Valores
Exposicion Etica Y Valoresguest17044f
 
Os brinquedos de Orion
Os brinquedos de OrionOs brinquedos de Orion
Os brinquedos de OrionBetina Astride
 
LucianAshe keynote
LucianAshe keynoteLucianAshe keynote
LucianAshe keynoteLucianAshe
 
L O S D I N O S A U R I O Snoé
L O S  D I N O S A U R I O SnoéL O S  D I N O S A U R I O Snoé
L O S D I N O S A U R I O Snoésesbadalona
 
Separacion de basuras
Separacion de basurasSeparacion de basuras
Separacion de basurasyiberstiven
 
Separable phrasal verbs
Separable phrasal verbsSeparable phrasal verbs
Separable phrasal verbsklalvarez
 
La basura por Lidia Moyano y Georgiaa Constantinescu
La basura por Lidia Moyano  y Georgiaa  ConstantinescuLa basura por Lidia Moyano  y Georgiaa  Constantinescu
La basura por Lidia Moyano y Georgiaa ConstantinescuIES Alhamilla de Almeria
 

Destacado (8)

Cuando Padres Envejecen
Cuando Padres EnvejecenCuando Padres Envejecen
Cuando Padres Envejecen
 
Exposicion Etica Y Valores
Exposicion Etica Y ValoresExposicion Etica Y Valores
Exposicion Etica Y Valores
 
Os brinquedos de Orion
Os brinquedos de OrionOs brinquedos de Orion
Os brinquedos de Orion
 
LucianAshe keynote
LucianAshe keynoteLucianAshe keynote
LucianAshe keynote
 
L O S D I N O S A U R I O Snoé
L O S  D I N O S A U R I O SnoéL O S  D I N O S A U R I O Snoé
L O S D I N O S A U R I O Snoé
 
Separacion de basuras
Separacion de basurasSeparacion de basuras
Separacion de basuras
 
Separable phrasal verbs
Separable phrasal verbsSeparable phrasal verbs
Separable phrasal verbs
 
La basura por Lidia Moyano y Georgiaa Constantinescu
La basura por Lidia Moyano  y Georgiaa  ConstantinescuLa basura por Lidia Moyano  y Georgiaa  Constantinescu
La basura por Lidia Moyano y Georgiaa Constantinescu
 

Similar a Noam Chomsky#2

The Theory Of Language Development
The Theory Of Language DevelopmentThe Theory Of Language Development
The Theory Of Language DevelopmentJill Bell
 
Language_lead_lesson
Language_lead_lessonLanguage_lead_lesson
Language_lead_lessonRic Faulkner
 
Essay Questions Number The Stars
Essay Questions Number The StarsEssay Questions Number The Stars
Essay Questions Number The StarsSusan Ramos
 
CURRENT ANTHROPOLOGY Volume 34, Number r, February 1993© 199.docx
CURRENT ANTHROPOLOGY Volume 34, Number r, February 1993© 199.docxCURRENT ANTHROPOLOGY Volume 34, Number r, February 1993© 199.docx
CURRENT ANTHROPOLOGY Volume 34, Number r, February 1993© 199.docxannettsparrow
 
Famous psycholinguits
Famous psycholinguitsFamous psycholinguits
Famous psycholinguitsmartinadra
 
Philosophy of Language
Philosophy of LanguagePhilosophy of Language
Philosophy of LanguageSheng Nuesca
 
Chomsky's view and evolution of language by Marly I. Villacrusis
Chomsky's view and evolution of language by Marly I. VillacrusisChomsky's view and evolution of language by Marly I. Villacrusis
Chomsky's view and evolution of language by Marly I. Villacrusismarly villacrusis
 
Chomsky's view and evolution of language
Chomsky's view and evolution of languageChomsky's view and evolution of language
Chomsky's view and evolution of languagemarly villacrusis
 
Memory is a social and political construction. Discuss.·.docx
Memory is a social and political construction. Discuss.·.docxMemory is a social and political construction. Discuss.·.docx
Memory is a social and political construction. Discuss.·.docxARIV4
 
History of rhetoric
History of rhetoricHistory of rhetoric
History of rhetoricMert Dalgic
 
The Media As Conduit For Political Propaganda Essay
 The Media As Conduit For Political Propaganda Essay The Media As Conduit For Political Propaganda Essay
The Media As Conduit For Political Propaganda EssayAmanda Gray
 
Language and Knowledge: Against Modularity as a Viable Theory of Language an...
Language and Knowledge: Against Modularity  as a Viable Theory of Language an...Language and Knowledge: Against Modularity  as a Viable Theory of Language an...
Language and Knowledge: Against Modularity as a Viable Theory of Language an...Dominik Lukes
 
Language and its importance
Language and its importanceLanguage and its importance
Language and its importanceAbu Bashar
 
Post-structuralism and deconstruction
Post-structuralism and deconstructionPost-structuralism and deconstruction
Post-structuralism and deconstructionMustafa Yousufi
 
Language and Self A level Cambridge presentation
Language and Self A level Cambridge presentationLanguage and Self A level Cambridge presentation
Language and Self A level Cambridge presentationjaycee1369
 

Similar a Noam Chomsky#2 (20)

The Theory Of Language Development
The Theory Of Language DevelopmentThe Theory Of Language Development
The Theory Of Language Development
 
Language_lead_lesson
Language_lead_lessonLanguage_lead_lesson
Language_lead_lesson
 
Essay Questions Number The Stars
Essay Questions Number The StarsEssay Questions Number The Stars
Essay Questions Number The Stars
 
Noam Chomsky Consent
Noam Chomsky ConsentNoam Chomsky Consent
Noam Chomsky Consent
 
CURRENT ANTHROPOLOGY Volume 34, Number r, February 1993© 199.docx
CURRENT ANTHROPOLOGY Volume 34, Number r, February 1993© 199.docxCURRENT ANTHROPOLOGY Volume 34, Number r, February 1993© 199.docx
CURRENT ANTHROPOLOGY Volume 34, Number r, February 1993© 199.docx
 
Noam Chomsky Essays
Noam Chomsky EssaysNoam Chomsky Essays
Noam Chomsky Essays
 
Famous psycholinguits
Famous psycholinguitsFamous psycholinguits
Famous psycholinguits
 
Semantics reza
Semantics rezaSemantics reza
Semantics reza
 
Philosophy of Language
Philosophy of LanguagePhilosophy of Language
Philosophy of Language
 
Chomsky's view and evolution of language by Marly I. Villacrusis
Chomsky's view and evolution of language by Marly I. VillacrusisChomsky's view and evolution of language by Marly I. Villacrusis
Chomsky's view and evolution of language by Marly I. Villacrusis
 
Chomsky's view and evolution of language
Chomsky's view and evolution of languageChomsky's view and evolution of language
Chomsky's view and evolution of language
 
Memory is a social and political construction. Discuss.·.docx
Memory is a social and political construction. Discuss.·.docxMemory is a social and political construction. Discuss.·.docx
Memory is a social and political construction. Discuss.·.docx
 
History of rhetoric
History of rhetoricHistory of rhetoric
History of rhetoric
 
The Media As Conduit For Political Propaganda Essay
 The Media As Conduit For Political Propaganda Essay The Media As Conduit For Political Propaganda Essay
The Media As Conduit For Political Propaganda Essay
 
Language and Knowledge: Against Modularity as a Viable Theory of Language an...
Language and Knowledge: Against Modularity  as a Viable Theory of Language an...Language and Knowledge: Against Modularity  as a Viable Theory of Language an...
Language and Knowledge: Against Modularity as a Viable Theory of Language an...
 
Language and its importance
Language and its importanceLanguage and its importance
Language and its importance
 
Post-structuralism and deconstruction
Post-structuralism and deconstructionPost-structuralism and deconstruction
Post-structuralism and deconstruction
 
Language and Self A level Cambridge presentation
Language and Self A level Cambridge presentationLanguage and Self A level Cambridge presentation
Language and Self A level Cambridge presentation
 
Linguistic Essay
Linguistic EssayLinguistic Essay
Linguistic Essay
 
I01066062
I01066062I01066062
I01066062
 

Último

SQL Database Design For Developers at php[tek] 2024
SQL Database Design For Developers at php[tek] 2024SQL Database Design For Developers at php[tek] 2024
SQL Database Design For Developers at php[tek] 2024Scott Keck-Warren
 
Injustice - Developers Among Us (SciFiDevCon 2024)
Injustice - Developers Among Us (SciFiDevCon 2024)Injustice - Developers Among Us (SciFiDevCon 2024)
Injustice - Developers Among Us (SciFiDevCon 2024)Allon Mureinik
 
SIEMENS: RAPUNZEL – A Tale About Knowledge Graph
SIEMENS: RAPUNZEL – A Tale About Knowledge GraphSIEMENS: RAPUNZEL – A Tale About Knowledge Graph
SIEMENS: RAPUNZEL – A Tale About Knowledge GraphNeo4j
 
Understanding the Laravel MVC Architecture
Understanding the Laravel MVC ArchitectureUnderstanding the Laravel MVC Architecture
Understanding the Laravel MVC ArchitecturePixlogix Infotech
 
Transcript: #StandardsGoals for 2024: What’s new for BISAC - Tech Forum 2024
Transcript: #StandardsGoals for 2024: What’s new for BISAC - Tech Forum 2024Transcript: #StandardsGoals for 2024: What’s new for BISAC - Tech Forum 2024
Transcript: #StandardsGoals for 2024: What’s new for BISAC - Tech Forum 2024BookNet Canada
 
Neo4j - How KGs are shaping the future of Generative AI at AWS Summit London ...
Neo4j - How KGs are shaping the future of Generative AI at AWS Summit London ...Neo4j - How KGs are shaping the future of Generative AI at AWS Summit London ...
Neo4j - How KGs are shaping the future of Generative AI at AWS Summit London ...Neo4j
 
Handwritten Text Recognition for manuscripts and early printed texts
Handwritten Text Recognition for manuscripts and early printed textsHandwritten Text Recognition for manuscripts and early printed texts
Handwritten Text Recognition for manuscripts and early printed textsMaria Levchenko
 
Pigging Solutions Piggable Sweeping Elbows
Pigging Solutions Piggable Sweeping ElbowsPigging Solutions Piggable Sweeping Elbows
Pigging Solutions Piggable Sweeping ElbowsPigging Solutions
 
Automating Business Process via MuleSoft Composer | Bangalore MuleSoft Meetup...
Automating Business Process via MuleSoft Composer | Bangalore MuleSoft Meetup...Automating Business Process via MuleSoft Composer | Bangalore MuleSoft Meetup...
Automating Business Process via MuleSoft Composer | Bangalore MuleSoft Meetup...shyamraj55
 
The Codex of Business Writing Software for Real-World Solutions 2.pptx
The Codex of Business Writing Software for Real-World Solutions 2.pptxThe Codex of Business Writing Software for Real-World Solutions 2.pptx
The Codex of Business Writing Software for Real-World Solutions 2.pptxMalak Abu Hammad
 
08448380779 Call Girls In Friends Colony Women Seeking Men
08448380779 Call Girls In Friends Colony Women Seeking Men08448380779 Call Girls In Friends Colony Women Seeking Men
08448380779 Call Girls In Friends Colony Women Seeking MenDelhi Call girls
 
[2024]Digital Global Overview Report 2024 Meltwater.pdf
[2024]Digital Global Overview Report 2024 Meltwater.pdf[2024]Digital Global Overview Report 2024 Meltwater.pdf
[2024]Digital Global Overview Report 2024 Meltwater.pdfhans926745
 
Unblocking The Main Thread Solving ANRs and Frozen Frames
Unblocking The Main Thread Solving ANRs and Frozen FramesUnblocking The Main Thread Solving ANRs and Frozen Frames
Unblocking The Main Thread Solving ANRs and Frozen FramesSinan KOZAK
 
Integration and Automation in Practice: CI/CD in Mule Integration and Automat...
Integration and Automation in Practice: CI/CD in Mule Integration and Automat...Integration and Automation in Practice: CI/CD in Mule Integration and Automat...
Integration and Automation in Practice: CI/CD in Mule Integration and Automat...Patryk Bandurski
 
WhatsApp 9892124323 ✓Call Girls In Kalyan ( Mumbai ) secure service
WhatsApp 9892124323 ✓Call Girls In Kalyan ( Mumbai ) secure serviceWhatsApp 9892124323 ✓Call Girls In Kalyan ( Mumbai ) secure service
WhatsApp 9892124323 ✓Call Girls In Kalyan ( Mumbai ) secure servicePooja Nehwal
 
Human Factors of XR: Using Human Factors to Design XR Systems
Human Factors of XR: Using Human Factors to Design XR SystemsHuman Factors of XR: Using Human Factors to Design XR Systems
Human Factors of XR: Using Human Factors to Design XR SystemsMark Billinghurst
 
Scaling API-first – The story of a global engineering organization
Scaling API-first – The story of a global engineering organizationScaling API-first – The story of a global engineering organization
Scaling API-first – The story of a global engineering organizationRadu Cotescu
 
08448380779 Call Girls In Diplomatic Enclave Women Seeking Men
08448380779 Call Girls In Diplomatic Enclave Women Seeking Men08448380779 Call Girls In Diplomatic Enclave Women Seeking Men
08448380779 Call Girls In Diplomatic Enclave Women Seeking MenDelhi Call girls
 
Salesforce Community Group Quito, Salesforce 101
Salesforce Community Group Quito, Salesforce 101Salesforce Community Group Quito, Salesforce 101
Salesforce Community Group Quito, Salesforce 101Paola De la Torre
 
AI as an Interface for Commercial Buildings
AI as an Interface for Commercial BuildingsAI as an Interface for Commercial Buildings
AI as an Interface for Commercial BuildingsMemoori
 

Último (20)

SQL Database Design For Developers at php[tek] 2024
SQL Database Design For Developers at php[tek] 2024SQL Database Design For Developers at php[tek] 2024
SQL Database Design For Developers at php[tek] 2024
 
Injustice - Developers Among Us (SciFiDevCon 2024)
Injustice - Developers Among Us (SciFiDevCon 2024)Injustice - Developers Among Us (SciFiDevCon 2024)
Injustice - Developers Among Us (SciFiDevCon 2024)
 
SIEMENS: RAPUNZEL – A Tale About Knowledge Graph
SIEMENS: RAPUNZEL – A Tale About Knowledge GraphSIEMENS: RAPUNZEL – A Tale About Knowledge Graph
SIEMENS: RAPUNZEL – A Tale About Knowledge Graph
 
Understanding the Laravel MVC Architecture
Understanding the Laravel MVC ArchitectureUnderstanding the Laravel MVC Architecture
Understanding the Laravel MVC Architecture
 
Transcript: #StandardsGoals for 2024: What’s new for BISAC - Tech Forum 2024
Transcript: #StandardsGoals for 2024: What’s new for BISAC - Tech Forum 2024Transcript: #StandardsGoals for 2024: What’s new for BISAC - Tech Forum 2024
Transcript: #StandardsGoals for 2024: What’s new for BISAC - Tech Forum 2024
 
Neo4j - How KGs are shaping the future of Generative AI at AWS Summit London ...
Neo4j - How KGs are shaping the future of Generative AI at AWS Summit London ...Neo4j - How KGs are shaping the future of Generative AI at AWS Summit London ...
Neo4j - How KGs are shaping the future of Generative AI at AWS Summit London ...
 
Handwritten Text Recognition for manuscripts and early printed texts
Handwritten Text Recognition for manuscripts and early printed textsHandwritten Text Recognition for manuscripts and early printed texts
Handwritten Text Recognition for manuscripts and early printed texts
 
Pigging Solutions Piggable Sweeping Elbows
Pigging Solutions Piggable Sweeping ElbowsPigging Solutions Piggable Sweeping Elbows
Pigging Solutions Piggable Sweeping Elbows
 
Automating Business Process via MuleSoft Composer | Bangalore MuleSoft Meetup...
Automating Business Process via MuleSoft Composer | Bangalore MuleSoft Meetup...Automating Business Process via MuleSoft Composer | Bangalore MuleSoft Meetup...
Automating Business Process via MuleSoft Composer | Bangalore MuleSoft Meetup...
 
The Codex of Business Writing Software for Real-World Solutions 2.pptx
The Codex of Business Writing Software for Real-World Solutions 2.pptxThe Codex of Business Writing Software for Real-World Solutions 2.pptx
The Codex of Business Writing Software for Real-World Solutions 2.pptx
 
08448380779 Call Girls In Friends Colony Women Seeking Men
08448380779 Call Girls In Friends Colony Women Seeking Men08448380779 Call Girls In Friends Colony Women Seeking Men
08448380779 Call Girls In Friends Colony Women Seeking Men
 
[2024]Digital Global Overview Report 2024 Meltwater.pdf
[2024]Digital Global Overview Report 2024 Meltwater.pdf[2024]Digital Global Overview Report 2024 Meltwater.pdf
[2024]Digital Global Overview Report 2024 Meltwater.pdf
 
Unblocking The Main Thread Solving ANRs and Frozen Frames
Unblocking The Main Thread Solving ANRs and Frozen FramesUnblocking The Main Thread Solving ANRs and Frozen Frames
Unblocking The Main Thread Solving ANRs and Frozen Frames
 
Integration and Automation in Practice: CI/CD in Mule Integration and Automat...
Integration and Automation in Practice: CI/CD in Mule Integration and Automat...Integration and Automation in Practice: CI/CD in Mule Integration and Automat...
Integration and Automation in Practice: CI/CD in Mule Integration and Automat...
 
WhatsApp 9892124323 ✓Call Girls In Kalyan ( Mumbai ) secure service
WhatsApp 9892124323 ✓Call Girls In Kalyan ( Mumbai ) secure serviceWhatsApp 9892124323 ✓Call Girls In Kalyan ( Mumbai ) secure service
WhatsApp 9892124323 ✓Call Girls In Kalyan ( Mumbai ) secure service
 
Human Factors of XR: Using Human Factors to Design XR Systems
Human Factors of XR: Using Human Factors to Design XR SystemsHuman Factors of XR: Using Human Factors to Design XR Systems
Human Factors of XR: Using Human Factors to Design XR Systems
 
Scaling API-first – The story of a global engineering organization
Scaling API-first – The story of a global engineering organizationScaling API-first – The story of a global engineering organization
Scaling API-first – The story of a global engineering organization
 
08448380779 Call Girls In Diplomatic Enclave Women Seeking Men
08448380779 Call Girls In Diplomatic Enclave Women Seeking Men08448380779 Call Girls In Diplomatic Enclave Women Seeking Men
08448380779 Call Girls In Diplomatic Enclave Women Seeking Men
 
Salesforce Community Group Quito, Salesforce 101
Salesforce Community Group Quito, Salesforce 101Salesforce Community Group Quito, Salesforce 101
Salesforce Community Group Quito, Salesforce 101
 
AI as an Interface for Commercial Buildings
AI as an Interface for Commercial BuildingsAI as an Interface for Commercial Buildings
AI as an Interface for Commercial Buildings
 

Noam Chomsky#2

  • 1. What is knowledge? How is it different from belief? What is a mistake? A lie? Abdus Francesca Manomi
  • 2.
  • 3.
  • 4. Theory of Value Theory of Knowledge Theory of Human Nature Theory of Learning Theory of Transmission Theory of Society Theory of Consensus Theory of Opportunity Main Theories
  • 5.
  • 6.
  • 7.
  • 8.