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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 | simpll2 1121 | . . . . 5 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → 𝑃 ⊆ 𝐷) | |
2 | 1onn 7764 | . . . . . . . 8 ⊢ 1𝑜 ∈ ω | |
3 | 2 | a1i 11 | . . . . . . 7 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → 1𝑜 ∈ ω) |
4 | simpll3 1122 | . . . . . . . 8 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → 𝑃 ≈ 2𝑜) | |
5 | df-2o 7606 | . . . . . . . 8 ⊢ 2𝑜 = suc 1𝑜 | |
6 | 4, 5 | syl6breq 4726 | . . . . . . 7 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → 𝑃 ≈ suc 1𝑜) |
7 | simpr 476 | . . . . . . 7 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → 𝑧 ∈ 𝑃) | |
8 | dif1en 8234 | . . . . . . 7 ⊢ ((1𝑜 ∈ ω ∧ 𝑃 ≈ suc 1𝑜 ∧ 𝑧 ∈ 𝑃) → (𝑃 ∖ {𝑧}) ≈ 1𝑜) | |
9 | 3, 6, 7, 8 | syl3anc 1366 | . . . . . 6 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → (𝑃 ∖ {𝑧}) ≈ 1𝑜) |
10 | en1uniel 8069 | . . . . . 6 ⊢ ((𝑃 ∖ {𝑧}) ≈ 1𝑜 → ∪ (𝑃 ∖ {𝑧}) ∈ (𝑃 ∖ {𝑧})) | |
11 | eldifi 3765 | . . . . . 6 ⊢ (∪ (𝑃 ∖ {𝑧}) ∈ (𝑃 ∖ {𝑧}) → ∪ (𝑃 ∖ {𝑧}) ∈ 𝑃) | |
12 | 9, 10, 11 | 3syl 18 | . . . . 5 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → ∪ (𝑃 ∖ {𝑧}) ∈ 𝑃) |
13 | 1, 12 | sseldd 3637 | . . . 4 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) ∧ 𝑧 ∈ 𝑃) → ∪ (𝑃 ∖ {𝑧}) ∈ 𝐷) |
14 | simplr 807 | . . . 4 ⊢ ((((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) ∧ ¬ 𝑧 ∈ 𝑃) → 𝑧 ∈ 𝐷) | |
15 | 13, 14 | ifclda 4153 | . . 3 ⊢ (((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) ∧ 𝑧 ∈ 𝐷) → if(𝑧 ∈ 𝑃, ∪ (𝑃 ∖ {𝑧}), 𝑧) ∈ 𝐷) |
16 | eqid 2651 | . . 3 ⊢ (𝑧 ∈ 𝐷 ↦ if(𝑧 ∈ 𝑃, ∪ (𝑃 ∖ {𝑧}), 𝑧)) = (𝑧 ∈ 𝐷 ↦ if(𝑧 ∈ 𝑃, ∪ (𝑃 ∖ {𝑧}), 𝑧)) | |
17 | 15, 16 | fmptd 6425 | . 2 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) → (𝑧 ∈ 𝐷 ↦ if(𝑧 ∈ 𝑃, ∪ (𝑃 ∖ {𝑧}), 𝑧)):𝐷⟶𝐷) |
18 | pmtrfval.t | . . . 4 ⊢ 𝑇 = (pmTrsp‘𝐷) | |
19 | 18 | pmtrval 17917 | . . 3 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) → (𝑇‘𝑃) = (𝑧 ∈ 𝐷 ↦ if(𝑧 ∈ 𝑃, ∪ (𝑃 ∖ {𝑧}), 𝑧))) |
20 | 19 | feq1d 6068 | . 2 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) → ((𝑇‘𝑃):𝐷⟶𝐷 ↔ (𝑧 ∈ 𝐷 ↦ if(𝑧 ∈ 𝑃, ∪ (𝑃 ∖ {𝑧}), 𝑧)):𝐷⟶𝐷)) |
21 | 17, 20 | mpbird 247 | 1 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝑃 ⊆ 𝐷 ∧ 𝑃 ≈ 2𝑜) → (𝑇‘𝑃):𝐷⟶𝐷) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 383 ∧ w3a 1054 = wceq 1523 ∈ wcel 2030 ∖ cdif 3604 ⊆ wss 3607 ifcif 4119 {csn 4210 ∪ cuni 4468 class class class wbr 4685 ↦ cmpt 4762 suc csuc 5763 ⟶wf 5922 ‘cfv 5926 ωcom 7107 1𝑜c1o 7598 2𝑜c2o 7599 ≈ cen 7994 pmTrspcpmtr 17907 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1762 ax-4 1777 ax-5 1879 ax-6 1945 ax-7 1981 ax-8 2032 ax-9 2039 ax-10 2059 ax-11 2074 ax-12 2087 ax-13 2282 ax-ext 2631 ax-rep 4804 ax-sep 4814 ax-nul 4822 ax-pow 4873 ax-pr 4936 ax-un 6991 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1055 df-3an 1056 df-tru 1526 df-ex 1745 df-nf 1750 df-sb 1938 df-eu 2502 df-mo 2503 df-clab 2638 df-cleq 2644 df-clel 2647 df-nfc 2782 df-ne 2824 df-ral 2946 df-rex 2947 df-reu 2948 df-rab 2950 df-v 3233 df-sbc 3469 df-csb 3567 df-dif 3610 df-un 3612 df-in 3614 df-ss 3621 df-pss 3623 df-nul 3949 df-if 4120 df-pw 4193 df-sn 4211 df-pr 4213 df-tp 4215 df-op 4217 df-uni 4469 df-iun 4554 df-br 4686 df-opab 4746 df-mpt 4763 df-tr 4786 df-id 5053 df-eprel 5058 df-po 5064 df-so 5065 df-fr 5102 df-we 5104 df-xp 5149 df-rel 5150 df-cnv 5151 df-co 5152 df-dm 5153 df-rn 5154 df-res 5155 df-ima 5156 df-ord 5764 df-on 5765 df-lim 5766 df-suc 5767 df-iota 5889 df-fun 5928 df-fn 5929 df-f 5930 df-f1 5931 df-fo 5932 df-f1o 5933 df-fv 5934 df-om 7108 df-1o 7605 df-2o 7606 df-er 7787 df-en 7998 df-fin 8001 df-pmtr 17908 |
This theorem is referenced by: pmtrmvd 17922 pmtrfinv 17927 pmtrff1o 17929 pmtrfcnv 17930 pmtr3ncomlem1 17939 mdetralt 20462 mdetunilem7 20472 |
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