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Mirrors > Home > MPE Home > Th. List > tposfo | Structured version Visualization version GIF version |
Description: The domain and 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 5567 | . . 3 ⊢ Rel (𝐴 × 𝐵) | |
2 | tposfo2 7909 | . . 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 6008 | . . 3 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
5 | foeq2 6581 | . . 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 220 | 1 ⊢ (𝐹:(𝐴 × 𝐵)–onto→𝐶 → tpos 𝐹:(𝐵 × 𝐴)–onto→𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 = wceq 1533 × cxp 5547 ◡ccnv 5548 Rel wrel 5554 –onto→wfo 6347 tpos ctpos 7885 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3772 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-fo 6355 df-fv 6357 df-tpos 7886 |
This theorem is referenced by: (None) |
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