diff --git a/course_outline/course5-Analytical Thinking/README.md b/course_outline/course5-Analytical Thinking/README.md
index 8ceaaa5..c81ce2b 100644
--- a/course_outline/course5-Analytical Thinking/README.md	
+++ b/course_outline/course5-Analytical Thinking/README.md	
@@ -1,51 +1,14 @@
 # Analytical Thinking
 
-- [Analysis](https://en.wikipedia.org/wiki/Category:Analysis)
 - [Problem Solving Methods](https://en.wikipedia.org/wiki/Category:Problem_solving_methods)
+- [Operations Research](https://en.wikipedia.org/wiki/Category:Operations_research)
 
-## [Outline](https://en.wikipedia.org/wiki/Outline_of_logic)
+## Types of [Analysis](https://en.wikipedia.org/wiki/Category:Analysis)
 
-1. [Modal](https://plato.stanford.edu/entries/logic-modal/) [Logic](https://en.wikipedia.org/wiki/Category:Modal_logic)
-2. [Philosophical Logic](https://en.wikipedia.org/wiki/Category:Philosophical_logic)
-3. [Mathematical Logic](https://en.wikipedia.org/wiki/Category:Mathematical_logic)
-4. [Axiomatic Truth](https://plato.stanford.edu/entries/truth-axiomatic/) and [Systems](https://en.wikipedia.org/wiki/Axiomatic_system)
-5. [Informal Logic](https://en.wikipedia.org/wiki/Informal_logic)
-6. [Logical Concepts](https://en.wikipedia.org/wiki/Category:Concepts_in_logic)
-7. [Subjective Logic](https://en.wikipedia.org/wiki/Subjective_logic)
-8. [Inductive Logic](https://plato.stanford.edu/entries/logic-inductive/)
-9. [Aristotle Logic](https://plato.stanford.edu/entries/aristotle-logic/)
-10. [Intensional Logic](https://plato.stanford.edu/entries/logic-intensional/)
-11. [Logic of Conditionals](https://plato.stanford.edu/entries/logic-conditionals/)
-12. [De Morgans Laws](https://en.wikipedia.org/wiki/De_Morgan%27s_laws)
-13. [Duality Theories](https://en.wikipedia.org/wiki/Category:Duality_theories)
-14. [Rules of Inference](https://en.wikipedia.org/wiki/Category:Rules_of_inference)
-15. [Theorems in Propositional Logic](https://en.wikipedia.org/wiki/Category:Theorems_in_propositional_logic)
-16. [Default Logic](https://en.wikipedia.org/wiki/Default_logic)
-17. [Defeasible Logic](https://en.wikipedia.org/wiki/Defeasible_logic)
-18. [Doxastic Logic](https://en.wikipedia.org/wiki/Doxastic_logic)
-19. [Formal Languages](https://en.wikipedia.org/wiki/Category:Formal_languages)
-20. [Deontic Logic](https://plato.stanford.edu/entries/logic-deontic/): [article](https://en.wikipedia.org/wiki/Deontic_logic)
-21. [Non Classical Logic](https://en.wikipedia.org/wiki/Category:Non-classical_logic)
-22. [Formal Proof](https://en.wikipedia.org/wiki/Formal_proof)
-23. [Mathematical Proof](https://en.wikipedia.org/wiki/Mathematical_proof)
-24. [Proof Complexity](https://en.wikipedia.org/wiki/Proof_complexity)
-25. [Proof Theory](https://en.wikipedia.org/wiki/Proof_theory)
-26. [Statistical Proof](https://en.wikipedia.org/wiki/Statistical_proof)
-27. [The Logic of Belief Revision](https://plato.stanford.edu/entries/logic-belief-revision/)
-28. [Truth Condition](https://en.wikipedia.org/wiki/Truth_condition)
-29. [Mathematical Terminology](https://en.wikipedia.org/wiki/Category:Mathematical_terminology)
-	* [Lemma](https://en.wikipedia.org/wiki/Lemma_(mathematics))
-	* [Theorem](https://en.wikipedia.org/wiki/Theorem)
-	* [Axiom](https://en.wikipedia.org/wiki/Axiom)
-30. [Law of Noncontradiction](https://en.wikipedia.org/wiki/Law_of_noncontradiction)
-31. [Negation](https://plato.stanford.edu/entries/negation/)
-32. [Contradiction](https://plato.stanford.edu/entries/contradiction/)
-33. [Categorical_proposition](https://en.wikipedia.org/wiki/Categorical_proposition)
-34. [Modal Varieties](https://plato.stanford.edu/entries/modality-varieties/)
-35. [Logic of Conditionals](https://plato.stanford.edu/entries/logic-conditionals/)
-36. [Conditionals](https://plato.stanford.edu/entries/conditionals/)
-37. [Contraposition](https://en.wikipedia.org/wiki/Contraposition)
-38. [Philosophy_of_mathematics](https://en.wikipedia.org/wiki/Category:Philosophy_of_mathematics)
-39. [Formal_languages](https://en.wikipedia.org/wiki/Category:Formal_languages)
-40. [Formalism_(deductive)](https://en.wikipedia.org/wiki/Category:Formalism_(deductive))
-41. [Formal_systems](https://en.wikipedia.org/wiki/Category:Formal_systems)
\ No newline at end of file
+1. [Data Analysis](https://en.wikipedia.org/wiki/Category:Data_analysis)
+2. [Risk Analysis](https://en.wikipedia.org/wiki/Category:Risk_analysis)
+3. [Meta Analysis](https://en.wikipedia.org/wiki/Category:Meta-analysis)
+4. [Decision Analysis](https://en.wikipedia.org/wiki/Category:Decision_analysis)
+5. [Survival Analysis](https://en.wikipedia.org/wiki/Category:Survival_analysis)
+6. [Systems Analysis](https://en.wikipedia.org/wiki/Category:Systems_analysis)
+7. [Intelligence Analysis](https://en.wikipedia.org/wiki/Category:Intelligence_analysis)