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| Mirrors > Home > MPE Home > Th. List > f1oeq1d | Structured version Visualization version GIF version | ||
| Description: Equality deduction for one-to-one onto functions. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
| Ref | Expression |
|---|---|
| f1oeq1d.1 | ⊢ (𝜑 → 𝐹 = 𝐺) |
| Ref | Expression |
|---|---|
| f1oeq1d | ⊢ (𝜑 → (𝐹:𝐴–1-1-onto→𝐵 ↔ 𝐺:𝐴–1-1-onto→𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1oeq1d.1 | . 2 ⊢ (𝜑 → 𝐹 = 𝐺) | |
| 2 | f1oeq1 6812 | . 2 ⊢ (𝐹 = 𝐺 → (𝐹:𝐴–1-1-onto→𝐵 ↔ 𝐺:𝐴–1-1-onto→𝐵)) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → (𝐹:𝐴–1-1-onto→𝐵 ↔ 𝐺:𝐴–1-1-onto→𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1570 –1-1-onto→wf1o 6539 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-br 5112 df-opab 5176 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 |
| This theorem is used by: f1orescnv 6840 f1osng 6867 f1ocoima 7307 f1ofvswap 7310 dif1en 9149 cnfcomlem 9671 cnfcom2 9674 cnfcom3clem 9677 infxpenc 10014 infxpenc2lem2 10016 infxpenc2 10018 canthp1lem2 10649 pwfseqlem5 10659 pwfseq 10660 s2f1o 14973 s4f1o 14975 bitsf1ocnv 16520 yonffthlem 18356 grplactcnv 19133 eqgen 19273 znunithash 21744 tgpconncompeqg 24300 fcobijfs 33112 fcobijfs2 33113 indf1o 33230 s2f1 33309 ccatws1f1o 33313 mgcf1o 33363 gsummpt2d 33409 gsumwrd2dccat 33438 subfacp1lem3 35687 subfacp1lem5 35689 ismrer1 38522 hvmap1o 42570 3f1oss2 47846 idfu1stf1o 49910 imaidfu 49921 fucoppc 50221 lmdran 50482 |
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