Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > pmtrf | Structured version Visualization version GIF version |
Description: Functionality of a transposition. (Contributed by Stefan O'Rear, 16-Aug-2015.) |
Ref | Expression |
---|---|
pmtrfval.t | ⊢ 𝑇 = (pmTrsp‘𝐷) |
Ref | Expression |
---|---|
pmtrf | ⊢ ((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) → (𝑇‘𝑃):𝐷⟶𝐷) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pmtrfval.t | . . 3 ⊢ 𝑇 = (pmTrsp‘𝐷) | |
2 | 1 | pmtrval 19059 | . 2 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) → (𝑇‘𝑃) = (𝑧 ∈ 𝐷 ↦ if(𝑧 ∈ 𝑃, ∪ (𝑃 ∖ {𝑧}), 𝑧))) |
3 | simpll2 1212 | . . . 4 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → 𝑃 ⊆ 𝐷) | |
4 | 1onn 8470 | . . . . . 6 ⊢ 1o ∈ ω | |
5 | simpll3 1213 | . . . . . . 7 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → 𝑃 ≈ 2o) | |
6 | df-2o 8298 | . . . . . . 7 ⊢ 2o = suc 1o | |
7 | 5, 6 | breqtrdi 5115 | . . . . . 6 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → 𝑃 ≈ suc 1o) |
8 | simpr 485 | . . . . . 6 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → 𝑧 ∈ 𝑃) | |
9 | dif1en 8945 | . . . . . 6 ⊢ ((1o ∈ ω ∧ 𝑃 ≈ suc 1o ∧ 𝑧 ∈ 𝑃) → (𝑃 ∖ {𝑧}) ≈ 1o) | |
10 | 4, 7, 8, 9 | mp3an2i 1465 | . . . . 5 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → (𝑃 ∖ {𝑧}) ≈ 1o) |
11 | en1uniel 8818 | . . . . 5 ⊢ ((𝑃 ∖ {𝑧}) ≈ 1o → ∪ (𝑃 ∖ {𝑧}) ∈ (𝑃 ∖ {𝑧})) | |
12 | eldifi 4061 | . . . . 5 ⊢ (∪ (𝑃 ∖ {𝑧}) ∈ (𝑃 ∖ {𝑧}) → ∪ (𝑃 ∖ {𝑧}) ∈ 𝑃) | |
13 | 10, 11, 12 | 3syl 18 | . . . 4 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → ∪ (𝑃 ∖ {𝑧}) ∈ 𝑃) |
14 | 3, 13 | sseldd 3922 | . . 3 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → ∪ (𝑃 ∖ {𝑧}) ∈ 𝐷) |
15 | simplr 766 | . . 3 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) ∧ 𝑧 ∈ 𝐷) ∧ ¬ 𝑧 ∈ 𝑃) → 𝑧 ∈ 𝐷) | |
16 | 14, 15 | ifclda 4494 | . 2 ⊢ (((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) ∧ 𝑧 ∈ 𝐷) → if(𝑧 ∈ 𝑃, ∪ (𝑃 ∖ {𝑧}), 𝑧) ∈ 𝐷) |
17 | 2, 16 | fmpt3d 6990 | 1 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2o) → (𝑇‘𝑃):𝐷⟶𝐷) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ∖ cdif 3884 ⊆ wss 3887 ifcif 4459 {csn 4561 ∪ cuni 4839 class class class wbr 5074 suc csuc 6268 ⟶wf 6429 ‘cfv 6433 ωcom 7712 1oc1o 8290 2oc2o 8291 ≈ cen 8730 pmTrspcpmtr 19049 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-om 7713 df-1o 8297 df-2o 8298 df-en 8734 df-pmtr 19050 |
This theorem is referenced by: pmtrmvd 19064 pmtrfinv 19069 pmtrff1o 19071 pmtrfcnv 19072 pmtr3ncomlem1 19081 mdetralt 21757 mdetunilem7 21767 |
Copyright terms: Public domain | W3C validator |