Definition df-inl 7008

Description: Left injection of a disjoint union. (Contributed by Mario Carneiro, 21-Jun-2022.)

Assertion

Ref	Expression
df-inl	|- inl = ( x e. _V |-> <. (/) , x >. )

Detailed syntax breakdown of Definition df-inl

Step	Hyp	Ref	Expression
1		cinl 7006	. 2 class inl
2		vx	. . 3 setvar x
3		cvv 2725	. . 3 class _V
4		c0 3408	. . . 4 class (/)
5	2	cv 1342	. . . 4 class x
6	4, 5	cop 3578	. . 3 class <. (/) , x >.
7	2, 3, 6	cmpt 4042	. 2 class ( x e. _V |-> <. (/) , x >. )
8	1, 7	wceq 1343	1 wff inl = ( x e. _V |-> <. (/) , x >. )

This definition is referenced by:  djulclr  7010  djulcl  7012  djulclb  7016  djulf1or  7017  djulf1o  7019  inl11  7026  djuss  7031  1stinl  7035  2ndinl  7036  caseinj  7050  caseinl  7052  djudoml  7171  djulclALT  13642