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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 6605 | . 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 208 = wceq 1537 –1-1-onto→wf1o 6354 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-9 2124 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1781 df-cleq 2814 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 |
This theorem is referenced by: f1osng 6655 f1o2sn 6904 fveqf1o 7058 oacomf1o 8191 marypha1lem 8897 oef1o 9161 cnfcomlem 9162 cnfcom2 9165 infxpenc 9444 pwfseqlem5 10085 pwfseq 10086 summolem3 15071 summo 15074 fsum 15077 prodmolem3 15287 prodmo 15290 fprod 15295 gsumvalx 17886 gsumpropd 17888 gsumpropd2lem 17889 gsumval3lem1 19025 gsumval3 19027 cncfcnvcn 23529 isismt 26320 f1ocnt 30525 erdsze2lem1 32450 ismtyval 35093 rngoisoval 35270 lautset 37233 pautsetN 37249 eldioph2lem1 39377 imasgim 39720 stoweidlem35 42340 stoweidlem39 42344 isomgreqve 44010 |
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