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| Mirrors > Home > MPE Home > Th. List > oion | Structured version Visualization version GIF version | ||
| Description: The order type of the well-order 𝑅 on 𝐴 is an ordinal. (Contributed by Stefan O'Rear, 11-Feb-2015.) (Revised by Mario Carneiro, 23-May-2015.) |
| Ref | Expression |
|---|---|
| oicl.1 | ⊢ 𝐹 = OrdIso(𝑅, 𝐴) |
| Ref | Expression |
|---|---|
| oion | ⊢ (𝐴 ∈ 𝑉 → dom 𝐹 ∈ On) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oicl.1 | . . 3 ⊢ 𝐹 = OrdIso(𝑅, 𝐴) | |
| 2 | 1 | oicl 9530 | . 2 ⊢ Ord dom 𝐹 |
| 3 | 1 | oiexg 9536 | . . 3 ⊢ (𝐴 ∈ 𝑉 → 𝐹 ∈ V) |
| 4 | dmexg 7917 | . . 3 ⊢ (𝐹 ∈ V → dom 𝐹 ∈ V) | |
| 5 | elong 6373 | . . 3 ⊢ (dom 𝐹 ∈ V → (dom 𝐹 ∈ On ↔ Ord dom 𝐹)) | |
| 6 | 3, 4, 5 | 3syl 19 | . 2 ⊢ (𝐴 ∈ 𝑉 → (dom 𝐹 ∈ On ↔ Ord dom 𝐹)) |
| 7 | 2, 6 | mpbiri 261 | 1 ⊢ (𝐴 ∈ 𝑉 → dom 𝐹 ∈ On) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1569 ∈ wcel 2144 Vcvv 3450 dom cdm 5651 Ord word 6364 Oncon0 6365 OrdIsocoi 9510 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pr 5391 ax-un 7755 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7381 df-ov 7427 df-2nd 8006 df-frecs 8307 df-wrecs 8338 df-recs 8387 df-oi 9511 |
| This theorem is used by: hartogslem1 9543 wofib 9546 cantnfcl 9675 cantnflt2 9681 cantnflem1 9697 wemapwe 9705 cnfcom2 9710 cnfcom3lem 9711 cnfcom3 9712 finnisoeu 10199 dfac12lem2 10230 cofsmo 10354 pwfseqlem5 10755 fz1isolem 14613 |
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