5

Chains of reasoning in geometry

Year:
1959
Language:
english
File:
PDF, 411 KB
english, 1959
6

Complex contrapositives

Year:
1965
Language:
english
File:
PDF, 467 KB
english, 1965
7

A logical beginning for high school geometry

Year:
1957
Language:
english
File:
PDF, 334 KB
english, 1957
8

Complex figures in geometry

Year:
1959
Language:
english
File:
PDF, 655 KB
english, 1959
9

Some related theorems on triangles and circles

Year:
1961
Language:
english
File:
PDF, 508 KB
english, 1961
11

Introducing proof with a finite system

Year:
1961
Language:
english
File:
PDF, 338 KB
english, 1961
13

Scrambled Theorems

Year:
1964
Language:
english
File:
PDF, 189 KB
english, 1964
15

Median revisited

Year:
1986
Language:
english
File:
PDF, 413 KB
english, 1986
16

Pythagoras died

Year:
1992
Language:
english
File:
PDF, 551 KB
english, 1992
17

The exclusive disjunction

Year:
1962
Language:
english
File:
PDF, 580 KB
english, 1962