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Mirrors > Home > MPE Home > Th. List > f1oeq2d | Structured version Visualization version GIF version |
Description: Equality deduction for one-to-one onto functions. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
Ref | Expression |
---|---|
f1oeq2d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
Ref | Expression |
---|---|
f1oeq2d | ⊢ (𝜑 → (𝐹:𝐴–1-1-onto→𝐶 ↔ 𝐹:𝐵–1-1-onto→𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | f1oeq2d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
2 | f1oeq2 6580 | . 2 ⊢ (𝐴 = 𝐵 → (𝐹:𝐴–1-1-onto→𝐶 ↔ 𝐹:𝐵–1-1-onto→𝐶)) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝐹:𝐴–1-1-onto→𝐶 ↔ 𝐹:𝐵–1-1-onto→𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 = wceq 1538 –1-1-onto→wf1o 6323 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-cleq 2791 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 |
This theorem is referenced by: f1osng 6630 f1o2sn 6881 fveqf1o 7037 oacomf1o 8174 marypha1lem 8881 oef1o 9145 cnfcomlem 9146 cnfcom2 9149 infxpenc 9429 pwfseqlem5 10074 pwfseq 10075 summolem3 15063 summo 15066 fsum 15069 prodmolem3 15279 prodmo 15282 fprod 15287 gsumvalx 17878 gsumpropd 17880 gsumpropd2lem 17881 gsumval3lem1 19018 gsumval3 19020 cncfcnvcn 23530 isismt 26328 f1ocnt 30551 erdsze2lem1 32563 ismtyval 35238 rngoisoval 35415 lautset 37378 pautsetN 37394 eldioph2lem1 39701 imasgim 40044 stoweidlem35 42677 stoweidlem39 42681 isomgreqve 44343 |
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