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| Mirrors > Home > ILE Home > Th. List > tposco | GIF version | ||
| Description: Transposition of a composition. (Contributed by Mario Carneiro, 4-Oct-2015.) |
| Ref | Expression |
|---|---|
| tposco | ⊢ tpos (𝐹 ∘ 𝐺) = (𝐹 ∘ tpos 𝐺) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | coass 5254 | . 2 ⊢ ((𝐹 ∘ 𝐺) ∘ (𝑥 ∈ ((V × V) ∪ {∅}) ↦ ∪ ◡{𝑥})) = (𝐹 ∘ (𝐺 ∘ (𝑥 ∈ ((V × V) ∪ {∅}) ↦ ∪ ◡{𝑥}))) | |
| 2 | dftpos4 6431 | . 2 ⊢ tpos (𝐹 ∘ 𝐺) = ((𝐹 ∘ 𝐺) ∘ (𝑥 ∈ ((V × V) ∪ {∅}) ↦ ∪ ◡{𝑥})) | |
| 3 | dftpos4 6431 | . . 3 ⊢ tpos 𝐺 = (𝐺 ∘ (𝑥 ∈ ((V × V) ∪ {∅}) ↦ ∪ ◡{𝑥})) | |
| 4 | 3 | coeq2i 4889 | . 2 ⊢ (𝐹 ∘ tpos 𝐺) = (𝐹 ∘ (𝐺 ∘ (𝑥 ∈ ((V × V) ∪ {∅}) ↦ ∪ ◡{𝑥}))) |
| 5 | 1, 2, 4 | 3eqtr4i 2261 | 1 ⊢ tpos (𝐹 ∘ 𝐺) = (𝐹 ∘ tpos 𝐺) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1397 Vcvv 2801 ∪ cun 3197 ∅c0 3493 {csn 3668 ∪ cuni 3892 ↦ cmpt 4149 × cxp 4722 ◡ccnv 4723 ∘ ccom 4728 tpos ctpos 6412 |
| 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-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-sep 4206 ax-pow 4263 ax-pr 4298 ax-un 4529 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ral 2514 df-rex 2515 df-rab 2518 df-v 2803 df-sbc 3031 df-un 3203 df-in 3205 df-ss 3212 df-pw 3653 df-sn 3674 df-pr 3675 df-op 3677 df-uni 3893 df-br 4088 df-opab 4150 df-mpt 4151 df-id 4389 df-xp 4730 df-rel 4731 df-cnv 4732 df-co 4733 df-dm 4734 df-rn 4735 df-res 4736 df-ima 4737 df-iota 5285 df-fun 5327 df-fn 5328 df-fv 5333 df-tpos 6413 |
| This theorem is referenced by: (None) |
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