7:42

predicate proofs existential out PHIL013AB

By: mcweiner

A video on how to use the rule EO (existential out) in proofs in predicate logic.

7:58

introduction to predicate proofs PHIL013AB

By: mcweiner

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

6:22

only and categorical compounds

By: mcweiner

A video on how to translate categorical statements with "only" in them, and compounds of categorical statements.

6:09

complex categoricals

By: mcweiner

A video about translating categorical sentences that have complex subjects or predicates.

9:31

categorical translations PHIL013AB

By: mcweiner

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

4:10

predicates and constants PHIL013AB

By: mcweiner

A short video on predicate logic, introducing constants and predicate letters.

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.

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).

9:21

indirect derivation PHIL013AB

By: mcweiner

A video on the indirect derivation rule for proofs.