Definition df-inr 9898

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 9895	. 2 class inr
2		vx	. . 3 setvar 𝑥
3		cvv 3475	. . 3 class V
4		c1o 8459	. . . 4 class 1o
5	2	cv 1541	. . . 4 class 𝑥
6	4, 5	cop 4635	. . 3 class ⟨1o, 𝑥⟩
7	2, 3, 6	cmpt 5232	. 2 class (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)
8	1, 7	wceq 1542	1 wff inr = (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)

This definition is referenced by:  djurcl  9906  djurf1o  9908  inrresf  9911  djur  9914  djuss  9915  djuun  9921  1stinr  9924  2ndinr  9925