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Definition df-inr 9844
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
StepHypRef Expression
1 cinr 9841 . 2 class inr
2 vx . . 3 setvar 𝑥
3 cvv 3444 . . 3 class V
4 c1o 8406 . . . 4 class 1o
52cv 1541 . . . 4 class 𝑥
64, 5cop 4593 . . 3 class ⟨1o, 𝑥
72, 3, 6cmpt 5189 . 2 class (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)
81, 7wceq 1542 1 wff inr = (𝑥 ∈ V ↦ ⟨1o, 𝑥⟩)
Colors of variables: wff setvar class
This definition is referenced by:  djurcl  9852  djurf1o  9854  inrresf  9857  djur  9860  djuss  9861  djuun  9867  1stinr  9870  2ndinr  9871
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