Definition df-6 4466

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 4458	. 2 class 6
2		c5 4457	. . 3 class 5
3		c1 4029	. . 3 class 1
4		caddc 4031	. . 3 class +
5	2, 3, 4	co 3001	. 2 class (5 + 1)
6	1, 5	wceq 1091	1 wff 6 = (5 + 1)

This definition is referenced by:  6re 4475  6pos 4483  3p3e6 4493  4p2e6 4494  5p2e7 4497

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