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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 6805 | . 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 6532 |
| 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 2147 ax-9 2155 ax-ext 2732 |
| 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 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 df-opab 5168 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 |
| This theorem is used by: f1orescnv 6833 f1osng 6860 f1ocoima 7304 f1ofvswap 7307 dif1en 9156 cnfcomlem 9678 cnfcom2 9681 cnfcom3clem 9684 infxpenc 10021 infxpenc2lem2 10023 infxpenc2 10025 canthp1lem2 10662 pwfseqlem5 10672 pwfseq 10673 s2f1o 14987 s4f1o 14989 bitsf1ocnv 16534 yonffthlem 18370 grplactcnv 19166 eqgen 19306 znunithash 21777 tgpconncompeqg 24338 fcobijfs 33192 fcobijfs2 33193 indf1o 33310 s2f1 33389 ccatws1f1o 33393 mgcf1o 33443 gsummpt2d 33489 gsumwrd2dccat 33518 subfacp1lem3 35761 subfacp1lem5 35763 ismrer1 38588 hvmap1o 42636 3f1oss2 47964 idfu1stf1o 50025 imaidfu 50036 fucoppc 50336 lmdran 50597 |
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