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Mirrors > Home > ILE Home > Th. List > feq2i | Unicode version |
Description: Equality inference for functions. (Contributed by NM, 5-Sep-2011.) |
Ref | Expression |
---|---|
feq2i.1 |
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Ref | Expression |
---|---|
feq2i |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | feq2i.1 |
. 2
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2 | feq2 5264 |
. 2
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3 | 1, 2 | ax-mp 5 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-gen 1426 ax-4 1488 ax-17 1507 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-cleq 2133 df-fn 5134 df-f 5135 |
This theorem is referenced by: fmpox 6106 fmpo 6107 tposf 6177 issmo 6193 tfrcllemsucfn 6258 1fv 9947 fxnn0nninf 10242 0met 12592 dvef 12896 |
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