| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6756 | . 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 207 = wceq 1547 –1-1-onto→wf1o 6484 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-ex 1787 df-cleq 2731 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 |
| This theorem is referenced by: f1osng 6809 f1o2sn 7084 fveqf1o 7246 oacomf1o 8490 marypha1lem 9336 oef1o 9610 cnfcomlem 9611 cnfcom2 9614 infxpenc 9931 pwfseqlem5 10577 pwfseq 10578 summolem3 15667 summo 15670 fsum 15673 prodmolem3 15889 prodmo 15892 fprod 15897 gsumvalx 18635 gsumpropd 18637 gsumpropd2lem 18638 gsumval3lem1 19871 gsumval3 19873 cncfcnvcn 24910 isismt 28620 f1ocnt 32892 erdsze2lem1 35431 ismtyval 38167 rngoisoval 38344 lautset 40574 pautsetN 40590 sticksstones3 42633 sticksstones20 42651 eldioph2lem1 43209 imasgim 43545 stoweidlem35 46478 stoweidlem39 46482 3f1oss1 47538 isubgr3stgrlem1 48457 isubgr3stgr 48466 |
| Copyright terms: Public domain | W3C validator |