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| Mirrors > Home > MPE Home > Th. List > tposfo | Structured version Visualization version GIF version | ||
| Description: The domain and codomain/range of a transposition. (Contributed by NM, 10-Sep-2015.) |
| Ref | Expression |
|---|---|
| tposfo | ⊢ (𝐹:(𝐴 × 𝐵)–onto→𝐶 → tpos 𝐹:(𝐵 × 𝐴)–onto→𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relxp 5641 | . . 3 ⊢ Rel (𝐴 × 𝐵) | |
| 2 | tposfo2 8189 | . . 3 ⊢ (Rel (𝐴 × 𝐵) → (𝐹:(𝐴 × 𝐵)–onto→𝐶 → tpos 𝐹:◡(𝐴 × 𝐵)–onto→𝐶)) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ (𝐹:(𝐴 × 𝐵)–onto→𝐶 → tpos 𝐹:◡(𝐴 × 𝐵)–onto→𝐶) |
| 4 | cnvxp 6110 | . . 3 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
| 5 | foeq2 6737 | . . 3 ⊢ (◡(𝐴 × 𝐵) = (𝐵 × 𝐴) → (tpos 𝐹:◡(𝐴 × 𝐵)–onto→𝐶 ↔ tpos 𝐹:(𝐵 × 𝐴)–onto→𝐶)) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (tpos 𝐹:◡(𝐴 × 𝐵)–onto→𝐶 ↔ tpos 𝐹:(𝐵 × 𝐴)–onto→𝐶) |
| 7 | 3, 6 | sylib 218 | 1 ⊢ (𝐹:(𝐴 × 𝐵)–onto→𝐶 → tpos 𝐹:(𝐵 × 𝐴)–onto→𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1540 × cxp 5621 ◡ccnv 5622 Rel wrel 5628 –onto→wfo 6484 tpos ctpos 8165 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7675 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-rab 3397 df-v 3440 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4862 df-br 5096 df-opab 5158 df-mpt 5177 df-id 5518 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-iota 6442 df-fun 6488 df-fn 6489 df-fo 6492 df-fv 6494 df-tpos 8166 |
| This theorem is referenced by: (None) |
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