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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 9502 | . 2 ⊢ Ord dom 𝐹 |
| 3 | 1 | oiexg 9508 | . . 3 ⊢ (𝐴 ∈ 𝑉 → 𝐹 ∈ V) |
| 4 | dmexg 7899 | . . 3 ⊢ (𝐹 ∈ V → dom 𝐹 ∈ V) | |
| 5 | elong 6365 | . . 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 1570 ∈ wcel 2145 Vcvv 3450 dom cdm 5655 Ord word 6356 Oncon0 6357 OrdIsocoi 9482 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pr 5398 ax-un 7737 |
| 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 2100 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 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 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 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-isom 6542 df-riota 7371 df-ov 7417 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-oi 9483 |
| This theorem is used by: hartogslem1 9515 wofib 9518 cantnfcl 9647 cantnflt2 9653 cantnflem1 9669 wemapwe 9677 cnfcom2 9682 cnfcom3lem 9683 cnfcom3 9684 finnisoeu 10117 dfac12lem2 10148 cofsmo 10272 pwfseqlem5 10673 fz1isolem 14527 |
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