Definition df-6 11083

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 11074	. 2 class 6
2		c5 11073	. . 3 class 5
3		c1 9937	. . 3 class 1
4		caddc 9939	. . 3 class +
5	2, 3, 4	co 6650	. 2 class ( 5 + 1 )
6	1, 5	wceq 1483	1 wff 6 = ( 5 + 1 )

This definition is referenced by:  6re  11101  6pos  11119  6m1e5  11140  5p1e6  11155  3p3e6  11161  4p2e6  11162  5p2e7  11165  6nn  11189  5lt6  11204  6p6e12  11602  7p6e13  11608  8p6e14  11616  8p8e16  11618  9p6e15  11624  9p7e16  11625  6t6e36  11646  6t6e36OLD  11647  7t6e42  11652  8t6e48  11659  8t6e48OLD  11660  9t6e54  11667  lt6abl  18296  ppiublem1  24927  ppiublem2  24928  ppiub  24929  bposlem8  25016  lgsdir2lem3  25052  2lgsoddprmlem3d  25138  rmydioph  37581  expdiophlem2  37589  stgoldbwt  41664  sbgoldbm  41672