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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 6607 | . 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 6356 |
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 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1781 df-cleq 2816 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 |
This theorem is referenced by: f1osng 6657 f1o2sn 6906 fveqf1o 7060 oacomf1o 8193 marypha1lem 8899 oef1o 9163 cnfcomlem 9164 cnfcom2 9167 infxpenc 9446 pwfseqlem5 10087 pwfseq 10088 summolem3 15073 summo 15076 fsum 15079 prodmolem3 15289 prodmo 15292 fprod 15297 gsumvalx 17888 gsumpropd 17890 gsumpropd2lem 17891 gsumval3lem1 19027 gsumval3 19029 cncfcnvcn 23531 isismt 26322 f1ocnt 30527 erdsze2lem1 32452 ismtyval 35080 rngoisoval 35257 lautset 37220 pautsetN 37236 eldioph2lem1 39364 imasgim 39707 stoweidlem35 42327 stoweidlem39 42331 isomgreqve 43997 |
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