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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 9487 | . 2 ⊢ Ord dom 𝐹 |
| 3 | 1 | oiexg 9493 | . . 3 ⊢ (𝐴 ∈ 𝑉 → 𝐹 ∈ V) |
| 4 | dmexg 7894 | . . 3 ⊢ (𝐹 ∈ V → dom 𝐹 ∈ V) | |
| 5 | elong 6368 | . . 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 |
| Syntax hints: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2143 Vcvv 3455 dom cdm 5661 Ord word 6359 Oncon0 6360 OrdIsocoi 9467 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pr 5404 ax-un 7732 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-se 5615 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7367 df-ov 7413 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-oi 9468 |
| This theorem is referenced by: hartogslem1 9500 wofib 9503 cantnfcl 9632 cantnflt2 9638 cantnflem1 9654 wemapwe 9662 cnfcom2 9667 cnfcom3lem 9668 cnfcom3 9669 finnisoeu 10093 dfac12lem2 10124 cofsmo 10248 pwfseqlem5 10643 fz1isolem 14494 |
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