Definition df-5 4465

Description: Define the number 5.

Assertion

Ref	Expression
df-5	|- 5 = (4 + 1)

Detailed syntax breakdown of Definition df-5

Step	Hyp	Ref	Expression
1		c5 4457	. 2 class 5
2		c4 4456	. . 3 class 4
3		c1 4029	. . 3 class 1
4		caddc 4031	. . 3 class +
5	2, 3, 4	co 3001	. 2 class (4 + 1)
6	1, 5	wceq 1091	1 wff 5 = (4 + 1)

This definition is referenced by:  5re 4474  5pos 4482  3p2e5 4492  4p2e6 4494

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