Definition df-s6 11253

Description: Define the length 6 word constructor. (Contributed by Mario Carneiro, 26-Feb-2016.)

Assertion

Ref	Expression
df-s6	|- <" A B C D E F "> = ( <" A B C D E "> ++ <" F "> )

Detailed syntax breakdown of Definition df-s6

Step	Hyp	Ref	Expression
1		cA	. . 3 class A
2		cB	. . 3 class B
3		cC	. . 3 class C
4		cD	. . 3 class D
5		cE	. . 3 class E
6		cF	. . 3 class F
7	1, 2, 3, 4, 5, 6	cs6 11246	. 2 class <" A B C D E F ">
8	1, 2, 3, 4, 5	cs5 11245	. . 3 class <" A B C D E ">
9	6	cs1 11109	. . 3 class <" F ">
10		cconcat 11086	. . 3 class ++
11	8, 9, 10	co 5969	. 2 class ( <" A B C D E "> ++ <" F "> )
12	7, 11	wceq 1373	1 wff <" A B C D E F "> = ( <" A B C D E "> ++ <" F "> )

This definition is referenced by:  s6eqd  11267  s6cld  11275