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Mirrors > Home > ILE Home > Th. List > a9ev | GIF version |
Description: At least one individual exists. Weaker version of a9e 1683. (Contributed by NM, 3-Aug-2017.) |
Ref | Expression |
---|---|
a9ev | ⊢ ∃𝑥 𝑥 = 𝑦 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-i9 1517 | 1 ⊢ ∃𝑥 𝑥 = 𝑦 |
Colors of variables: wff set class |
Syntax hints: ∃wex 1479 |
This theorem was proved from axioms: ax-i9 1517 |
This theorem is referenced by: spimfv 1686 ax6evr 1692 equsalv 1780 dfdif3 3227 snnex 4420 relop 4748 dmi 4813 |
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