Definition df-inl 6932

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 6930	. 2 class inl
2		vx	. . 3 setvar x
3		cvv 2686	. . 3 class _V
4		c0 3363	. . . 4 class (/)
5	2	cv 1330	. . . 4 class x
6	4, 5	cop 3530	. . 3 class <. (/) , x >.
7	2, 3, 6	cmpt 3989	. 2 class ( x e. _V |-> <. (/) , x >. )
8	1, 7	wceq 1331	1 wff inl = ( x e. _V |-> <. (/) , x >. )

This definition is referenced by:  djulclr  6934  djulcl  6936  djulclb  6940  djulf1or  6941  djulf1o  6943  inl11  6950  djuss  6955  1stinl  6959  2ndinl  6960  caseinj  6974  caseinl  6976  djudoml  7075  djulclALT  13008