Definition df-inr 7123

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

Assertion

Ref	Expression
df-inr	⊢ inr = (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)

Detailed syntax breakdown of Definition df-inr

Step	Hyp	Ref	Expression
1		cinr 7121	. 2 class inr
2		vx	. . 3 setvar 𝑥
3		cvv 2763	. . 3 class V
4		c1o 6476	. . . 4 class 1o
5	2	cv 1363	. . . 4 class 𝑥
6	4, 5	cop 3626	. . 3 class ⟨1o, 𝑥⟩
7	2, 3, 6	cmpt 4095	. 2 class (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)
8	1, 7	wceq 1364	1 wff inr = (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)

This definition is referenced by:  djurclr  7125  djurcl  7127  djurf1or  7132  djurf1o  7134  djuss  7145  1stinr  7151  2ndinr  7152  caseinj  7164  caseinr  7167  djudomr  7303  djurclALT  15532