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Results for: 'PHIL013AB'

7:29

DD, &O, and &I proofs

By: mcweiner

A video about doing proofs, introducing how to do direct derivations, and the &I and &O rules.

3:43

complex translations PHIL013AB

By: mcweiner

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

10:26

sentential translations 1 PHIL013AB

By: mcweiner

A ten-and-a-half-minute video about how to do translations in sentential logic, using the basic connectives and phrases like "neither" and "unless."

7:35

spontaneous show proofs PHIL013AB

By: mcweiner

A video on how to do proofs where you write down SHOW statements that don't come from specific derivation rules.

10:26

sentential translations 1 PHIL013AB

By: mcweiner

A video on how to translate sentences from English to our notation using the five main connectives

9:31

categorical translations PHIL013AB

By: mcweiner

A video on the four basic forms of categorical translations: All, some, no, not all/some not.

7:58

introduction to predicate proofs PHIL013AB

By: mcweiner

A video introducing predicate proofs and the first two predicate proof rules, AO and EI.

7:56

negation proof rules PHIL013AB

By: mcweiner

A video on rules for proofs with complex negations, like ~(P & Q), ~(P v Q), and ~(P -> Q).

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.