Definition df-6 11692

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 11684	. 2 class 6
2		c5 11683	. . 3 class 5
3		c1 10527	. . 3 class 1
4		caddc 10529	. . 3 class +
5	2, 3, 4	co 7135	. 2 class (5 + 1)
6	1, 5	wceq 1538	1 wff 6 = (5 + 1)

This definition is referenced by:  6nn  11714  6re  11715  6cn  11716  6pos  11735  6m1e5  11756  5p1e6  11772  3p3e6  11777  4p2e6  11778  5p2e7  11781  5lt6  11806  6p6e12  12160  7p6e13  12164  8p6e14  12170  8p8e16  12172  9p6e15  12177  9p7e16  12178  6t6e36  12194  7t6e42  12199  8t6e48  12205  9t6e54  12212  lt6abl  19008  ppiublem1  25786  ppiublem2  25787  ppiub  25788  bposlem8  25875  lgsdir2lem3  25911  2lgsoddprmlem3d  25997  rmydioph  39955  expdiophlem2  39963  stgoldbwt  44294  sbgoldbm  44302