Metamath Proof Explorer
Description: Right injection of a disjoint union. (Contributed by Mario Carneiro, 21-Jun-2022)
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|
Ref |
Expression |
|
Assertion |
df-inr |
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Detailed syntax breakdown
Step |
Hyp |
Ref |
Expression |
0 |
|
cinr |
|
1 |
|
vx |
|
2 |
|
cvv |
|
3 |
|
c1o |
|
4 |
1
|
cv |
|
5 |
3 4
|
cop |
|
6 |
1 2 5
|
cmpt |
|
7 |
0 6
|
wceq |
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