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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 6795 | . 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 1560 –1-1-onto→wf1o 6520 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-9 2152 ax-ext 2734 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-ex 1800 df-cleq 2754 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 |
| This theorem is referenced by: f1osng 6849 f1o2sn 7124 fveqf1o 7286 oacomf1o 8534 marypha1lem 9379 oef1o 9653 cnfcomlem 9654 cnfcom2 9657 infxpenc 9974 pwfseqlem5 10621 pwfseq 10622 summolem3 15741 summo 15744 fsum 15747 prodmolem3 15963 prodmo 15966 fprod 15971 gsumvalx 18710 gsumpropd 18712 gsumpropd2lem 18713 gsumval3lem1 19945 gsumval3 19947 cncfcnvcn 24984 isismt 28700 f1ocnt 32999 erdsze2lem1 35550 ismtyval 38296 rngoisoval 38473 lautset 40703 pautsetN 40719 sticksstones3 42762 sticksstones20 42780 eldioph2lem1 43338 imasgim 43674 stoweidlem35 46606 stoweidlem39 46610 3f1oss1 47666 isubgr3stgrlem1 48585 isubgr3stgr 48594 |
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