Results for: 'predicate logic'
predicates and constants PHIL013AB
A short video on predicate logic, introducing constants and predicate letters.
introduction to predicate proofs PHIL013AB
A video introducing predicate proofs and the first two predicate proof rules, AO and EI.
predicate proofs existential out PHIL013AB
A video on how to use the rule EO (existential out) in proofs in predicate logic.
A video about translating categorical sentences that have complex subjects or predicates.
categorical translations PHIL013AB
A video on the four basic forms of categorical translations: All, some, no, not all/some not.
universal derivation PHIL013AB
A video on the Universal Derivation rule for predicate proofs, a rule for doing proofs where the SHOW line begins with Ax.
quantifiers and variables PHIL013AB
Screencast on introduction to quantifiers and variables.
only and categorical compounds
A video on how to translate categorical statements with "only" in them, and compounds of categorical statements.
negated quantifier proofs PHIL013AB
A video on how to do proofs with negated quantifiers. Introduces two new rules, ~AO and ~EO, and discusses how to do proofs where you need to SHOW negated quantifiers (you have to do ID).