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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 |
Ref | Expression |
---|---|
feq2i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | feq2i.1 | . 2 | |
2 | feq2 5256 | . 2 | |
3 | 1, 2 | ax-mp 5 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 104 wceq 1331 wf 5119 |
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 1423 ax-gen 1425 ax-4 1487 ax-17 1506 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-cleq 2132 df-fn 5126 df-f 5127 |
This theorem is referenced by: fmpox 6098 fmpo 6099 tposf 6169 issmo 6185 tfrcllemsucfn 6250 1fv 9916 fxnn0nninf 10211 0met 12553 dvef 12856 |
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