Definition df-inr 9124

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 9121	. 2 class inr
2		vx	. . 3 setvar 𝑥
3		cvv 3409	. . 3 class V
4		c1o 7896	. . . 4 class 1o
5	2	cv 1506	. . . 4 class 𝑥
6	4, 5	cop 4441	. . 3 class ⟨1o, 𝑥⟩
7	2, 3, 6	cmpt 5004	. 2 class (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)
8	1, 7	wceq 1507	1 wff inr = (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)

This definition is referenced by:  djurcl  9132  djurf1o  9134  inrresf  9137  djur  9140  djuss  9141  djuun  9147  1stinr  9150  2ndinr  9151