Definition df-6 9265

Description: Define the number 6. (Contributed by NM, 27-May-1999.)

Assertion

Ref	Expression
df-6	⊢ 6 = (5 + 1)

Detailed syntax breakdown of Definition df-6

Step	Hyp	Ref	Expression
1		c6 9257	. 2 class 6
2		c5 9256	. . 3 class 5
3		c1 8093	. . 3 class 1
4		caddc 8095	. . 3 class +
5	2, 3, 4	co 6028	. 2 class (5 + 1)
6	1, 5	wceq 1398	1 wff 6 = (5 + 1)

This definition is referenced by:  6re  9283  6pos  9303  6m1e5  9325  5p1e6  9340  3p3e6  9345  4p2e6  9346  5p2e7  9349  6nn  9368  5lt6  9382  6p6e12  9745  7p6e13  9749  8p6e14  9755  8p8e16  9757  9p6e15  9762  9p7e16  9763  6t6e36  9779  7t6e42  9784  8t6e48  9790  9t6e54  9797  lgsdir2lem3  15849  2lgsoddprmlem3d  15929