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Theorem oismo 9578
Description: When 𝐴 is a subclass of On, 𝐹 is a strictly monotone ordinal functions, and it is also complete (it is an isomorphism onto all of 𝐴). The proof avoids ax-rep 5285 (the second statement is trivial under ax-rep 5285). (Contributed by Mario Carneiro, 26-Jun-2015.)
Hypothesis
Ref Expression
oismo.1 𝐹 = OrdIso( E , 𝐴)
Assertion
Ref Expression
oismo (𝐴 ⊆ On → (Smo 𝐹 ∧ ran 𝐹 = 𝐴))

Proof of Theorem oismo
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 epweon 7794 . . . . . 6 E We On
2 wess 5675 . . . . . 6 (𝐴 ⊆ On → ( E We On → E We 𝐴))
31, 2mpi 20 . . . . 5 (𝐴 ⊆ On → E We 𝐴)
4 epse 5671 . . . . 5 E Se 𝐴
5 oismo.1 . . . . . 6 𝐹 = OrdIso( E , 𝐴)
65oiiso2 9569 . . . . 5 (( E We 𝐴 ∧ E Se 𝐴) → 𝐹 Isom E , E (dom 𝐹, ran 𝐹))
73, 4, 6sylancl 586 . . . 4 (𝐴 ⊆ On → 𝐹 Isom E , E (dom 𝐹, ran 𝐹))
85oicl 9567 . . . . 5 Ord dom 𝐹
95oif 9568 . . . . . . 7 𝐹:dom 𝐹𝐴
10 frn 6744 . . . . . . 7 (𝐹:dom 𝐹𝐴 → ran 𝐹𝐴)
119, 10ax-mp 5 . . . . . 6 ran 𝐹𝐴
12 id 22 . . . . . 6 (𝐴 ⊆ On → 𝐴 ⊆ On)
1311, 12sstrid 4007 . . . . 5 (𝐴 ⊆ On → ran 𝐹 ⊆ On)
14 smoiso2 8408 . . . . 5 ((Ord dom 𝐹 ∧ ran 𝐹 ⊆ On) → ((𝐹:dom 𝐹onto→ran 𝐹 ∧ Smo 𝐹) ↔ 𝐹 Isom E , E (dom 𝐹, ran 𝐹)))
158, 13, 14sylancr 587 . . . 4 (𝐴 ⊆ On → ((𝐹:dom 𝐹onto→ran 𝐹 ∧ Smo 𝐹) ↔ 𝐹 Isom E , E (dom 𝐹, ran 𝐹)))
167, 15mpbird 257 . . 3 (𝐴 ⊆ On → (𝐹:dom 𝐹onto→ran 𝐹 ∧ Smo 𝐹))
1716simprd 495 . 2 (𝐴 ⊆ On → Smo 𝐹)
1811a1i 11 . . 3 (𝐴 ⊆ On → ran 𝐹𝐴)
19 simprl 771 . . . . . 6 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → 𝑥𝐴)
203adantr 480 . . . . . . . 8 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → E We 𝐴)
214a1i 11 . . . . . . . 8 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → E Se 𝐴)
22 ffn 6737 . . . . . . . . . . 11 (𝐹:dom 𝐹𝐴𝐹 Fn dom 𝐹)
239, 22mp1i 13 . . . . . . . . . 10 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → 𝐹 Fn dom 𝐹)
24 simplrr 778 . . . . . . . . . . . . 13 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → ¬ 𝑥 ∈ ran 𝐹)
253ad2antrr 726 . . . . . . . . . . . . . . 15 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → E We 𝐴)
264a1i 11 . . . . . . . . . . . . . . 15 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → E Se 𝐴)
27 simplrl 777 . . . . . . . . . . . . . . 15 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝑥𝐴)
28 simpr 484 . . . . . . . . . . . . . . 15 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝑦 ∈ dom 𝐹)
295oiiniseg 9571 . . . . . . . . . . . . . . 15 ((( E We 𝐴 ∧ E Se 𝐴) ∧ (𝑥𝐴𝑦 ∈ dom 𝐹)) → ((𝐹𝑦) E 𝑥𝑥 ∈ ran 𝐹))
3025, 26, 27, 28, 29syl22anc 839 . . . . . . . . . . . . . 14 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → ((𝐹𝑦) E 𝑥𝑥 ∈ ran 𝐹))
3130ord 864 . . . . . . . . . . . . 13 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → (¬ (𝐹𝑦) E 𝑥𝑥 ∈ ran 𝐹))
3224, 31mt3d 148 . . . . . . . . . . . 12 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → (𝐹𝑦) E 𝑥)
33 epel 5592 . . . . . . . . . . . 12 ((𝐹𝑦) E 𝑥 ↔ (𝐹𝑦) ∈ 𝑥)
3432, 33sylib 218 . . . . . . . . . . 11 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → (𝐹𝑦) ∈ 𝑥)
3534ralrimiva 3144 . . . . . . . . . 10 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → ∀𝑦 ∈ dom 𝐹(𝐹𝑦) ∈ 𝑥)
36 ffnfv 7139 . . . . . . . . . 10 (𝐹:dom 𝐹𝑥 ↔ (𝐹 Fn dom 𝐹 ∧ ∀𝑦 ∈ dom 𝐹(𝐹𝑦) ∈ 𝑥))
3723, 35, 36sylanbrc 583 . . . . . . . . 9 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → 𝐹:dom 𝐹𝑥)
389, 22mp1i 13 . . . . . . . . . . . . . 14 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝐹 Fn dom 𝐹)
3917ad2antrr 726 . . . . . . . . . . . . . 14 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → Smo 𝐹)
40 smogt 8406 . . . . . . . . . . . . . 14 ((𝐹 Fn dom 𝐹 ∧ Smo 𝐹𝑦 ∈ dom 𝐹) → 𝑦 ⊆ (𝐹𝑦))
4138, 39, 28, 40syl3anc 1370 . . . . . . . . . . . . 13 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝑦 ⊆ (𝐹𝑦))
42 ordelon 6410 . . . . . . . . . . . . . . 15 ((Ord dom 𝐹𝑦 ∈ dom 𝐹) → 𝑦 ∈ On)
438, 28, 42sylancr 587 . . . . . . . . . . . . . 14 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝑦 ∈ On)
44 simpll 767 . . . . . . . . . . . . . . 15 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝐴 ⊆ On)
4544, 27sseldd 3996 . . . . . . . . . . . . . 14 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝑥 ∈ On)
46 ontr2 6433 . . . . . . . . . . . . . 14 ((𝑦 ∈ On ∧ 𝑥 ∈ On) → ((𝑦 ⊆ (𝐹𝑦) ∧ (𝐹𝑦) ∈ 𝑥) → 𝑦𝑥))
4743, 45, 46syl2anc 584 . . . . . . . . . . . . 13 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → ((𝑦 ⊆ (𝐹𝑦) ∧ (𝐹𝑦) ∈ 𝑥) → 𝑦𝑥))
4841, 34, 47mp2and 699 . . . . . . . . . . . 12 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝑦𝑥)
4948ex 412 . . . . . . . . . . 11 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → (𝑦 ∈ dom 𝐹𝑦𝑥))
5049ssrdv 4001 . . . . . . . . . 10 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → dom 𝐹𝑥)
5119, 50ssexd 5330 . . . . . . . . 9 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → dom 𝐹 ∈ V)
52 fex2 7957 . . . . . . . . 9 ((𝐹:dom 𝐹𝑥 ∧ dom 𝐹 ∈ V ∧ 𝑥𝐴) → 𝐹 ∈ V)
5337, 51, 19, 52syl3anc 1370 . . . . . . . 8 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → 𝐹 ∈ V)
545ordtype2 9572 . . . . . . . 8 (( E We 𝐴 ∧ E Se 𝐴𝐹 ∈ V) → 𝐹 Isom E , E (dom 𝐹, 𝐴))
5520, 21, 53, 54syl3anc 1370 . . . . . . 7 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → 𝐹 Isom E , E (dom 𝐹, 𝐴))
56 isof1o 7343 . . . . . . 7 (𝐹 Isom E , E (dom 𝐹, 𝐴) → 𝐹:dom 𝐹1-1-onto𝐴)
57 f1ofo 6856 . . . . . . 7 (𝐹:dom 𝐹1-1-onto𝐴𝐹:dom 𝐹onto𝐴)
58 forn 6824 . . . . . . 7 (𝐹:dom 𝐹onto𝐴 → ran 𝐹 = 𝐴)
5955, 56, 57, 584syl 19 . . . . . 6 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → ran 𝐹 = 𝐴)
6019, 59eleqtrrd 2842 . . . . 5 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → 𝑥 ∈ ran 𝐹)
6160expr 456 . . . 4 ((𝐴 ⊆ On ∧ 𝑥𝐴) → (¬ 𝑥 ∈ ran 𝐹𝑥 ∈ ran 𝐹))
6261pm2.18d 127 . . 3 ((𝐴 ⊆ On ∧ 𝑥𝐴) → 𝑥 ∈ ran 𝐹)
6318, 62eqelssd 4017 . 2 (𝐴 ⊆ On → ran 𝐹 = 𝐴)
6417, 63jca 511 1 (𝐴 ⊆ On → (Smo 𝐹 ∧ ran 𝐹 = 𝐴))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 206  wa 395  wo 847   = wceq 1537  wcel 2106  wral 3059  Vcvv 3478  wss 3963   class class class wbr 5148   E cep 5588   Se wse 5639   We wwe 5640  dom cdm 5689  ran crn 5690  Ord word 6385  Oncon0 6386   Fn wfn 6558  wf 6559  ontowfo 6561  1-1-ontowf1o 6562  cfv 6563   Isom wiso 6564  Smo wsmo 8384  OrdIsocoi 9547
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-11 2155  ax-12 2175  ax-ext 2706  ax-sep 5302  ax-nul 5312  ax-pow 5371  ax-pr 5438  ax-un 7754
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2727  df-clel 2814  df-nfc 2890  df-ne 2939  df-ral 3060  df-rex 3069  df-rmo 3378  df-reu 3379  df-rab 3434  df-v 3480  df-sbc 3792  df-csb 3909  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-pss 3983  df-nul 4340  df-if 4532  df-pw 4607  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-iun 4998  df-br 5149  df-opab 5211  df-mpt 5232  df-tr 5266  df-id 5583  df-eprel 5589  df-po 5597  df-so 5598  df-fr 5641  df-se 5642  df-we 5643  df-xp 5695  df-rel 5696  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702  df-pred 6323  df-ord 6389  df-on 6390  df-lim 6391  df-suc 6392  df-iota 6516  df-fun 6565  df-fn 6566  df-f 6567  df-f1 6568  df-fo 6569  df-f1o 6570  df-fv 6571  df-isom 6572  df-riota 7388  df-ov 7434  df-2nd 8014  df-frecs 8305  df-wrecs 8336  df-smo 8385  df-recs 8410  df-oi 9548
This theorem is referenced by:  oiid  9579  hsmexlem1  10464  hsmexlem2  10465
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