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| Mirrors > Home > MPE Home > Th. List > oiexg | Structured version Visualization version GIF version | ||
| Description: The order isomorphism on a set is a set. (Contributed by Mario Carneiro, 25-Jun-2015.) |
| Ref | Expression |
|---|---|
| oicl.1 | ⊢ 𝐹 = OrdIso(𝑅, 𝐴) |
| Ref | Expression |
|---|---|
| oiexg | ⊢ (𝐴 ∈ 𝑉 → 𝐹 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oicl.1 | . . . . 5 ⊢ 𝐹 = OrdIso(𝑅, 𝐴) | |
| 2 | 1 | ordtype 9553 | . . . 4 ⊢ ((𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹 Isom E , 𝑅 (dom 𝐹, 𝐴)) |
| 3 | isof1o 7354 | . . . 4 ⊢ (𝐹 Isom E , 𝑅 (dom 𝐹, 𝐴) → 𝐹:dom 𝐹⟶1-1onto𝐴) | |
| 4 | f1of1 6845 | . . . 4 ⊢ (𝐹:dom 𝐹⟶1-1onto𝐴 → 𝐹:dom 𝐹⟶1-1𝐴) | |
| 5 | 2, 3, 4 | 3syl 19 | . . 3 ⊢ ((𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹:dom 𝐹⟶1-1𝐴) |
| 6 | f1f 6800 | . . . . 5 ⊢ (𝐹:dom 𝐹⟶1-1𝐴 → 𝐹:dom 𝐹⟶𝐴) | |
| 7 | f1dmex 7993 | . . . . 5 ⊢ ((𝐹:dom 𝐹⟶1-1𝐴 ∧ 𝐴 ∈ 𝑉) → dom 𝐹 ∈ V) | |
| 8 | fex 7255 | . . . . 5 ⊢ ((𝐹:dom 𝐹⟶𝐴 ∧ dom 𝐹 ∈ V) → 𝐹 ∈ V) | |
| 9 | 6, 7, 8 | syl2an2r 698 | . . . 4 ⊢ ((𝐹:dom 𝐹⟶1-1𝐴 ∧ 𝐴 ∈ 𝑉) → 𝐹 ∈ V) |
| 10 | 9 | expcom 419 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝐹:dom 𝐹⟶1-1𝐴 → 𝐹 ∈ V)) |
| 11 | 5, 10 | syl5 35 | . 2 ⊢ (𝐴 ∈ 𝑉 → ((𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹 ∈ V)) |
| 12 | 1 | oi0 9549 | . . 3 ⊢ (¬ (𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹 = ∅) |
| 13 | 0ex 5264 | . . 3 ⊢ ∅ ∈ V | |
| 14 | 12, 13 | eqeltrdi 2872 | . 2 ⊢ (¬ (𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹 ∈ V) |
| 15 | 11, 14 | pm2.61d1 182 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐹 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 Vcvv 3454 ∅c0 4281 E cep 5554 Se wse 5606 We wwe 5607 dom cdm 5655 ⟶wf 6554 ⟶1-1wf1 6555 ⟶1-1ontowf1o 6557 Isom wiso 6559 OrdIsocoi 9530 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pr 5395 ax-un 7775 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-isom 6567 df-riota 7400 df-ov 7446 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-oi 9531 |
| This theorem is used by: oion 9557 oien 9559 cantnfval 9696 wemapwe 9725 finnisoeu 10219 cofsmo 10374 |
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