Все публикации

0:08:43

Learn a Littel Logic: Part 5. Argument-Forms.

0:05:19

Learn a Little Logic: Part 4. The Invalidity Test.

0:08:34

Learn a Little Logic: Part 3. Invalidity.

0:06:06

Learn a Little Logic: Part 2. Soundness and Validity.

0:03:43

Learn a Little Logic: Part 1. Introduction.

0:05:58

Natural Deduction: Negation Introduction and Negation Elimination

0:02:38

Natural Deduction: Disjunction Introduction

0:03:50

Natural Deduction: Conditional Introduction

0:06:03

Natural Deduction: Universal Introduction

0:04:47

Natural Deduction: Disjunction Elimination

0:04:35

Natural Deduction: Existential Elimination