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Mirrors > Home > ILE Home > Th. List > ax-0id | Unicode version |
Description: ![]() Proofs should normally use addid1 8082 instead. (New usage is discouraged.) (Contributed by Jim Kingdon, 16-Jan-2020.) |
Ref | Expression |
---|---|
ax-0id |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA |
. . 3
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2 | cc 7797 |
. . 3
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3 | 1, 2 | wcel 2148 |
. 2
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4 | cc0 7799 |
. . . 4
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5 | caddc 7802 |
. . . 4
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6 | 1, 4, 5 | co 5869 |
. . 3
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7 | 6, 1 | wceq 1353 |
. 2
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8 | 3, 7 | wi 4 |
1
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Colors of variables: wff set class |
This axiom is referenced by: addid1 8082 |
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