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Results for: 'PHIL013'

8:32

relational categoricals PHIL013

By: mcweiner

A video about translating relational categoricals, sentences where one or more categories are joined by a relation, such as "Some people love all cats."

9:02

introduction to relational translations PHIL013

By: mcweiner

An introduction to relational logic, with an explanation of relations and how to translate relational sentences with no quantifiers or one quantifier.

8:46

multiple quantifier translations PHIL013

By: mcweiner

A video on relational translations that involve more than one quantifier.

7:25

proofs with modus tollens and wedge out PHIL013AB

By: mcweiner

A video explaining two proof rules, modus tollens and wedge out, which can be used in proofs for PHIL013.

6:15

proofs vI double negation double arrow PHIL013

By: mcweiner

A video of just over six minutes about doing proofs with four new rules: or in, double negation, and double arrow in and out.

7:29

DD, and-I, and and-O proofs

By: mcweiner

A video about three proof rules, now updated with a new file name.

7:49

PHIL 013A/B: Validity

By: mcweiner

An eight-minute screencast on the concept of validity and other basic concepts in logic.

3:45

PHIL 013A/B: What is Logic?

By: mcweiner

A short (approx. 4 minutes) introduction to what logic is and what we'll be covering this semester.

7:39

spontaneous show proofs

By: mcweiner

A video about how to do proofs where you write down SHOW statements that don't come from any particular derivation rule.