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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 6761 | . 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 206 = wceq 1541 –1-1-onto→wf1o 6489 |
| 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 1968 ax-7 2009 ax-9 2123 ax-ext 2706 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-cleq 2726 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 |
| This theorem is referenced by: f1osng 6814 f1o2sn 7085 fveqf1o 7246 oacomf1o 8490 marypha1lem 9334 oef1o 9605 cnfcomlem 9606 cnfcom2 9609 infxpenc 9926 pwfseqlem5 10572 pwfseq 10573 summolem3 15635 summo 15638 fsum 15641 prodmolem3 15854 prodmo 15857 fprod 15862 gsumvalx 18599 gsumpropd 18601 gsumpropd2lem 18602 gsumval3lem1 19832 gsumval3 19834 cncfcnvcn 24873 isismt 28555 f1ocnt 32829 erdsze2lem1 35346 ismtyval 37940 rngoisoval 38117 lautset 40281 pautsetN 40297 sticksstones3 42341 sticksstones20 42359 eldioph2lem1 42944 imasgim 43284 stoweidlem35 46221 stoweidlem39 46225 3f1oss1 47263 isubgr3stgrlem1 48154 isubgr3stgr 48163 |
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