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| Mirrors > Home > ILE Home > Th. List > tposf | GIF version | ||
| Description: The domain and codomain of a transposition. (Contributed by NM, 10-Sep-2015.) |
| Ref | Expression |
|---|---|
| tposf | ⊢ (𝐹:(𝐴 × 𝐵)⟶𝐶 → tpos 𝐹:(𝐵 × 𝐴)⟶𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relxp 4825 | . . 3 ⊢ Rel (𝐴 × 𝐵) | |
| 2 | tposf2 6404 | . . 3 ⊢ (Rel (𝐴 × 𝐵) → (𝐹:(𝐴 × 𝐵)⟶𝐶 → tpos 𝐹:◡(𝐴 × 𝐵)⟶𝐶)) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ (𝐹:(𝐴 × 𝐵)⟶𝐶 → tpos 𝐹:◡(𝐴 × 𝐵)⟶𝐶) |
| 4 | cnvxp 5143 | . . 3 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
| 5 | 4 | feq2i 5463 | . 2 ⊢ (tpos 𝐹:◡(𝐴 × 𝐵)⟶𝐶 ↔ tpos 𝐹:(𝐵 × 𝐴)⟶𝐶) |
| 6 | 3, 5 | sylib 122 | 1 ⊢ (𝐹:(𝐴 × 𝐵)⟶𝐶 → tpos 𝐹:(𝐵 × 𝐴)⟶𝐶) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 × cxp 4714 ◡ccnv 4715 Rel wrel 4721 ⟶wf 5310 tpos ctpos 6380 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4201 ax-nul 4209 ax-pow 4257 ax-pr 4292 ax-un 4521 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-sbc 3029 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3888 df-br 4083 df-opab 4145 df-mpt 4146 df-id 4381 df-xp 4722 df-rel 4723 df-cnv 4724 df-co 4725 df-dm 4726 df-rn 4727 df-res 4728 df-ima 4729 df-iota 5274 df-fun 5316 df-fn 5317 df-f 5318 df-fo 5320 df-fv 5322 df-tpos 6381 |
| This theorem is referenced by: tposfn 6409 |
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