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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 9491 | . . . 4 ⊢ ((𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹 Isom E , 𝑅 (dom 𝐹, 𝐴)) |
| 3 | isof1o 7300 | . . . 4 ⊢ (𝐹 Isom E , 𝑅 (dom 𝐹, 𝐴) → 𝐹:dom 𝐹–1-1-onto→𝐴) | |
| 4 | f1of1 6801 | . . . 4 ⊢ (𝐹:dom 𝐹–1-1-onto→𝐴 → 𝐹:dom 𝐹–1-1→𝐴) | |
| 5 | 2, 3, 4 | 3syl 18 | . . 3 ⊢ ((𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹:dom 𝐹–1-1→𝐴) |
| 6 | f1f 6758 | . . . . 5 ⊢ (𝐹:dom 𝐹–1-1→𝐴 → 𝐹:dom 𝐹⟶𝐴) | |
| 7 | f1dmex 7937 | . . . . 5 ⊢ ((𝐹:dom 𝐹–1-1→𝐴 ∧ 𝐴 ∈ 𝑉) → dom 𝐹 ∈ V) | |
| 8 | fex 7202 | . . . . 5 ⊢ ((𝐹:dom 𝐹⟶𝐴 ∧ dom 𝐹 ∈ V) → 𝐹 ∈ V) | |
| 9 | 6, 7, 8 | syl2an2r 685 | . . . 4 ⊢ ((𝐹:dom 𝐹–1-1→𝐴 ∧ 𝐴 ∈ 𝑉) → 𝐹 ∈ V) |
| 10 | 9 | expcom 413 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝐹:dom 𝐹–1-1→𝐴 → 𝐹 ∈ V)) |
| 11 | 5, 10 | syl5 34 | . 2 ⊢ (𝐴 ∈ 𝑉 → ((𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹 ∈ V)) |
| 12 | 1 | oi0 9487 | . . 3 ⊢ (¬ (𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹 = ∅) |
| 13 | 0ex 5264 | . . 3 ⊢ ∅ ∈ V | |
| 14 | 12, 13 | eqeltrdi 2837 | . 2 ⊢ (¬ (𝑅 We 𝐴 ∧ 𝑅 Se 𝐴) → 𝐹 ∈ V) |
| 15 | 11, 14 | pm2.61d1 180 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐹 ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 Vcvv 3450 ∅c0 4298 E cep 5539 Se wse 5591 We wwe 5592 dom cdm 5640 ⟶wf 6509 –1-1→wf1 6510 –1-1-onto→wf1o 6512 Isom wiso 6514 OrdIsocoi 9468 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-rep 5236 ax-sep 5253 ax-nul 5263 ax-pr 5389 ax-un 7713 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-ral 3046 df-rex 3055 df-rmo 3356 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3756 df-csb 3865 df-dif 3919 df-un 3921 df-in 3923 df-ss 3933 df-pss 3936 df-nul 4299 df-if 4491 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-iun 4959 df-br 5110 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-se 5594 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6276 df-ord 6337 df-on 6338 df-lim 6339 df-suc 6340 df-iota 6466 df-fun 6515 df-fn 6516 df-f 6517 df-f1 6518 df-fo 6519 df-f1o 6520 df-fv 6521 df-isom 6522 df-riota 7346 df-ov 7392 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-oi 9469 |
| This theorem is referenced by: oion 9495 oien 9497 cantnfval 9627 wemapwe 9656 finnisoeu 10072 cofsmo 10228 |
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