ICCAL 1990: Computer Assisted Learning pp 67-72

# Intelligent CAI course in the first-order logic

AI Applications In CAL
Part of the Lecture Notes in Computer Science book series (LNCS, volume 438)

## Abstract

Our theorem proving system named TTP (which is short for Teaching Theorem Proving) can construct the natural deduction proofs of the first-order logic formulas with quantifiers. It is written in CLISP. It has 4 learning models. Students can use the system to do their logic homework step by step and learn the skills of proving logic theorems. If they don't know how to prove the theorems, they can ask for hints. In our university about 300 students used the system to learn logic and do homework during 3 years, they did 2000 problems in logic.

## Keywords

first-order logic natural deduction resolution tautology theorem proving

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