Definition df-inr 7114

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 7112	. 2 class inr
2		vx	. . 3 setvar 𝑥
3		cvv 2763	. . 3 class V
4		c1o 6467	. . . 4 class 1o
5	2	cv 1363	. . . 4 class 𝑥
6	4, 5	cop 3625	. . 3 class ⟨1o, 𝑥⟩
7	2, 3, 6	cmpt 4094	. 2 class (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)
8	1, 7	wceq 1364	1 wff inr = (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)

This definition is referenced by:  djurclr  7116  djurcl  7118  djurf1or  7123  djurf1o  7125  djuss  7136  1stinr  7142  2ndinr  7143  caseinj  7155  caseinr  7158  djudomr  7287  djurclALT  15448