Definition df-inr 10019

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 10016	. 2 class inr
2		vx	. . 3 setvar 𝑥
3		cvv 3454	. . 3 class V
4		c1o 8505	. . . 4 class 1o
5	2	cv 1569	. . . 4 class 𝑥
6	4, 5	cop 4838	. . 3 class ⟨1o, 𝑥⟩
7	2, 3, 6	cmpt 5190	. 2 class (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)
8	1, 7	wceq 1570	1 wff inr = (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)

This definition is used by:  djurcl  10027  djurf1o  10029  inrresf  10032  djur  10035  djuss  10036  djuun  10042  1stinr  10045  2ndinr  10046