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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 9523 | . 2 ⊢ Ord dom 𝐹 |
| 3 | 1 | oiexg 9529 | . . 3 ⊢ (𝐴 ∈ 𝑉 → 𝐹 ∈ V) |
| 4 | dmexg 7913 | . . 3 ⊢ (𝐹 ∈ V → dom 𝐹 ∈ V) | |
| 5 | elong 6370 | . . 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 3451 dom cdm 5651 Ord word 6361 Oncon0 6362 OrdIsocoi 9503 |
| 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 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pr 5391 ax-un 7751 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 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 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 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-isom 6547 df-riota 7377 df-ov 7423 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-oi 9504 |
| This theorem is used by: hartogslem1 9536 wofib 9539 cantnfcl 9668 cantnflt2 9674 cantnflem1 9690 wemapwe 9698 cnfcom2 9703 cnfcom3lem 9704 cnfcom3 9705 finnisoeu 10192 dfac12lem2 10223 cofsmo 10347 pwfseqlem5 10748 fz1isolem 14606 |
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