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Results for: 'sentential logic'

4:51

conditional truth table PHIL013AB

By: mcweiner

A five-minute video explaining why the truth table for the conditional is the way it is.

7:32

truth table calculation PHIL 013AB

By: mcweiner

An eight-minute video about how to calculate a truth table for a complex statement.

10:49

truth table applications PHIL 013AB

By: mcweiner

An eleven-minute video on the things you can do with truth-tables. Covers tautology/contradiction/contingent, implication and equivalence, and argument validity.

3:43

complex translations PHIL013AB

By: mcweiner

A four-minute video on how to do complex translations involving more than two subsentences.

8:05

Introduction to proofs PHIL 013AB

By: mcweiner

A video on what proofs are, which explains the concept of simple derivation, and how to do proofs with one proof rule, Modus Ponens.

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.

6:13

proofs vI double negation double arrow PHIL013AB

By: mcweiner

A video on proof rules for wedge in, double negation, and double arrows. NOTE: if you're using captions, there is a possibility that the software may be displaying double arrows in the captions as single arrows. I wrote [double arrow] in the capti...

8:44

conditional derivation proofs PHIL 013AB

By: mcweiner

A nine-minute video about conditional derivation, a new kind of rule. Listen closely for a special appearance from a duck. (Edited to add: the squeaking thing is actually a raccoon)

9:21

indirect derivation PHIL013AB

By: mcweiner

A video on the indirect derivation rule for proofs.