| 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 6809 | . 2 ⊢ (𝐴 = 𝐵 → (𝐹:𝐴–1-1-onto→𝐶 ↔ 𝐹:𝐵–1-1-onto→𝐶)) | |
| 3 | 1, 2 | syl 18 | 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 1570 –1-1-onto→wf1o 6535 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1810 df-cleq 2755 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 |
| This theorem is referenced by: f1osng 6863 f1o2sn 7138 fveqf1o 7300 oacomf1o 8546 marypha1lem 9389 oef1o 9663 cnfcomlem 9664 cnfcom2 9667 infxpenc 9998 pwfseqlem5 10643 pwfseq 10644 summolem3 15761 summo 15764 fsum 15767 prodmolem3 15983 prodmo 15986 fprod 15991 gsumvalx 18729 gsumpropd 18731 gsumpropd2lem 18732 gsumval3lem1 19970 gsumval3 19972 cncfcnvcn 25084 isismt 28803 f1ocnt 33145 erdsze2lem1 35695 ismtyval 38451 rngoisoval 38628 lautset 40856 pautsetN 40872 sticksstones3 42915 sticksstones20 42933 eldioph2lem1 43491 imasgim 43827 stoweidlem35 46749 stoweidlem39 46753 3f1oss1 47812 isubgr3stgrlem1 48731 isubgr3stgr 48740 |
| Copyright terms: Public domain | W3C validator |