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Results for: 'PHIL013A'

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.

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.

3:43

complex translations PHIL013AB

By: mcweiner

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

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.

7:32

truth table calculation PHIL 013AB

By: mcweiner

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

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.

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.