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  • mcweiner
  • Joined: 03/17/2020
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Playlists By mcweiner

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Media By mcweiner

7:29

DD, and-I, and and-O proofs

By: mcweiner

A video about three proof rules, now updated with a new file name.

8:46

multiple quantifier translations PHIL013

By: mcweiner

A video on relational translations that involve more than one quantifier.

9:02

introduction to relational translations PHIL013

By: mcweiner

An introduction to relational logic, with an explanation of relations and how to translate relational sentences with no quantifiers or one quantifier.

7:39

spontaneous show proofs

By: mcweiner

A video about how to do proofs where you write down SHOW statements that don't come from any particular derivation rule.

8:49

conditional derivation proofs PHIL 013C

By: mcweiner

A nine-minute video about conditional derivation, a new kind of rule. Listen closely for a special appearance from a squeaky raccoon.

6:15

proofs vI double negation double arrow PHIL013

By: mcweiner

A video of just over six minutes about doing proofs with four new rules: or in, double negation, and double arrow in and out.

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

9:18

negated quantifier proofs PHIL013AB

By: mcweiner

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).

5:25

universal derivation PHIL013AB

By: mcweiner

A video on the Universal Derivation rule for predicate proofs, a rule for doing proofs where the SHOW line begins with Ax.