Definition df-5 5934

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 5925	. 2 class 5
2		c4 5924	. . 3 class 4
3		c1 5222	. . 3 class 1
4		caddc 5224	. . 3 class +
5	2, 3, 4	co 3960	. 2 class (4 + 1)
6	1, 5	wceq 955	1 wff 5 = (4 + 1)

This definition is referenced by:  5re 5944  5pos 5954  3p2e5 5968  4p2e6 5970  5p5e10 5976  sin01bndlem2 7446  cos01bndlem2 7448

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