Definition df-6 5935

Description: Define the number 6.

Assertion

Ref	Expression
df-6	|- 6 = (5 + 1)

Detailed syntax breakdown of Definition df-6

Step	Hyp	Ref	Expression
1		c6 5926	. 2 class 6
2		c5 5925	. . 3 class 5
3		c1 5222	. . 3 class 1
4		caddc 5224	. . 3 class +
5	2, 3, 4	co 3960	. 2 class (5 + 1)
6	1, 5	wceq 955	1 wff 6 = (5 + 1)

This definition is referenced by:  6re 5945  6pos 5955  3p3e6 5969  4p2e6 5970  5p2e7 5973

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