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CL - Lecture 3j - Aristotle's Syllogisms

We describe the traditional presentation of the syllogisms, and introduce Aristotle's existential assumption, on the basis of which he derives nine more syllogisms. These are not sound in our…

From  Haoran Peng on October 5th, 2020 0 likes 417 plays 0  

CL - Lecture 3g - Making more rules with contrapositions

Using meta-/object-level contrapositions, we can derive all 15 sound syllogisms from Barbara.

From  Haoran Peng on October 3rd, 2020 0 likes 445 plays 0  

CL - Lecture 3f - Presenting your justifications and counterexamples

In this video, we label each region in the Venn diagram with a number from 0 to 7. We can then present our justifications and counter-examples by referring to those 8 regions.

From  Haoran Peng on October 3rd, 2020 0 likes 458 plays 0  

CL - Lecture 3e - Constructing a Counterexample

In the last video, we showed a rule is sound using Venn diagrams. In this video, we will again use Venn diagrams to construct counter-examples for unsound rules.

From  Haoran Peng on October 3rd, 2020 0 likes 475 plays 0  

CL - 2019 Lecture 2

This is an old recording of Lecture 2, from 2019.

From  Claudia-Elena Chirita on September 26th, 2020 0 likes 181 plays 0  

CL - Lecture 2.b - Aristotelian Syllogisms. First Example

This is the third video on Syllogisms. We use Venn diagrams to show that barbara is sound.

From  Claudia-Elena Chirita on September 26th, 2020 0 likes 465 plays 0  

7: Anselm - Lewis Analysis

Lewis' analysis

From  Brian Rabern on September 21st, 2020 0 likes 22 plays 0  

8: Anselm - Invalid

Anselm - Invalid

From  Brian Rabern on September 17th, 2020 0 likes 24 plays 0  

PSR 1 Lecture 5 Part 5 Summary

Summary of Fine Tuning Lecture

From  Johanna Wolff on September 11th, 2020 0 likes 65 plays 0  

Phil skills reading part 2

Part two of the lecture 'Reading Philosophy' (Phil Skills)

From  Jane Lavelle on July 15th, 2020 0 likes 80 plays 0  

Study Skills Video 3.0 Writing and Argumentation

Access social sciences study skills video

From  Brian McGrail on January 25th, 2019 0 likes 45 plays 0