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Theorem oismo 9432
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 5218 (the second statement is trivial under ax-rep 5218). (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 7711 . . . . . 6 E We On
2 wess 5605 . . . . . 6 (𝐴 ⊆ On → ( E We On → E We 𝐴))
31, 2mpi 20 . . . . 5 (𝐴 ⊆ On → E We 𝐴)
4 epse 5601 . . . . 5 E Se 𝐴
5 oismo.1 . . . . . 6 𝐹 = OrdIso( E , 𝐴)
65oiiso2 9423 . . . . 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 9421 . . . . 5 Ord dom 𝐹
95oif 9422 . . . . . . 7 𝐹:dom 𝐹𝐴
10 frn 6659 . . . . . . 7 (𝐹:dom 𝐹𝐴 → ran 𝐹𝐴)
119, 10ax-mp 5 . . . . . 6 ran 𝐹𝐴
12 id 22 . . . . . 6 (𝐴 ⊆ On → 𝐴 ⊆ On)
1311, 12sstrid 3947 . . . . 5 (𝐴 ⊆ On → ran 𝐹 ⊆ On)
14 smoiso2 8292 . . . . 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 770 . . . . . 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 6652 . . . . . . . . . . 11 (𝐹:dom 𝐹𝐴𝐹 Fn dom 𝐹)
239, 22mp1i 13 . . . . . . . . . 10 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → 𝐹 Fn dom 𝐹)
24 simplrr 777 . . . . . . . . . . . . 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 776 . . . . . . . . . . . . . . 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 9425 . . . . . . . . . . . . . . 15 ((( E We 𝐴 ∧ E Se 𝐴) ∧ (𝑥𝐴𝑦 ∈ dom 𝐹)) → ((𝐹𝑦) E 𝑥𝑥 ∈ ran 𝐹))
3025, 26, 27, 28, 29syl22anc 838 . . . . . . . . . . . . . 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 5522 . . . . . . . . . . . 12 ((𝐹𝑦) E 𝑥 ↔ (𝐹𝑦) ∈ 𝑥)
3432, 33sylib 218 . . . . . . . . . . 11 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → (𝐹𝑦) ∈ 𝑥)
3534ralrimiva 3121 . . . . . . . . . 10 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → ∀𝑦 ∈ dom 𝐹(𝐹𝑦) ∈ 𝑥)
36 ffnfv 7053 . . . . . . . . . 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 8290 . . . . . . . . . . . . . 14 ((𝐹 Fn dom 𝐹 ∧ Smo 𝐹𝑦 ∈ dom 𝐹) → 𝑦 ⊆ (𝐹𝑦))
4138, 39, 28, 40syl3anc 1373 . . . . . . . . . . . . 13 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝑦 ⊆ (𝐹𝑦))
42 ordelon 6331 . . . . . . . . . . . . . . 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 766 . . . . . . . . . . . . . . 15 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝐴 ⊆ On)
4544, 27sseldd 3936 . . . . . . . . . . . . . 14 (((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) ∧ 𝑦 ∈ dom 𝐹) → 𝑥 ∈ On)
46 ontr2 6355 . . . . . . . . . . . . . 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 3941 . . . . . . . . . 10 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → dom 𝐹𝑥)
5119, 50ssexd 5263 . . . . . . . . 9 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → dom 𝐹 ∈ V)
52 fex2 7869 . . . . . . . . 9 ((𝐹:dom 𝐹𝑥 ∧ dom 𝐹 ∈ V ∧ 𝑥𝐴) → 𝐹 ∈ V)
5337, 51, 19, 52syl3anc 1373 . . . . . . . 8 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → 𝐹 ∈ V)
545ordtype2 9426 . . . . . . . 8 (( E We 𝐴 ∧ E Se 𝐴𝐹 ∈ V) → 𝐹 Isom E , E (dom 𝐹, 𝐴))
5520, 21, 53, 54syl3anc 1373 . . . . . . 7 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → 𝐹 Isom E , E (dom 𝐹, 𝐴))
56 isof1o 7260 . . . . . . 7 (𝐹 Isom E , E (dom 𝐹, 𝐴) → 𝐹:dom 𝐹1-1-onto𝐴)
57 f1ofo 6771 . . . . . . 7 (𝐹:dom 𝐹1-1-onto𝐴𝐹:dom 𝐹onto𝐴)
58 forn 6739 . . . . . . 7 (𝐹:dom 𝐹onto𝐴 → ran 𝐹 = 𝐴)
5955, 56, 57, 584syl 19 . . . . . 6 ((𝐴 ⊆ On ∧ (𝑥𝐴 ∧ ¬ 𝑥 ∈ ran 𝐹)) → ran 𝐹 = 𝐴)
6019, 59eleqtrrd 2831 . . . . 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 3957 . 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 1540  wcel 2109  wral 3044  Vcvv 3436  wss 3903   class class class wbr 5092   E cep 5518   Se wse 5570   We wwe 5571  dom cdm 5619  ran crn 5620  Ord word 6306  Oncon0 6307   Fn wfn 6477  wf 6478  ontowfo 6480  1-1-ontowf1o 6481  cfv 6482   Isom wiso 6483  Smo wsmo 8268  OrdIsocoi 9401
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-rmo 3343  df-reu 3344  df-rab 3395  df-v 3438  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-iun 4943  df-br 5093  df-opab 5155  df-mpt 5174  df-tr 5200  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-se 5573  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6249  df-ord 6310  df-on 6311  df-lim 6312  df-suc 6313  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-f1 6487  df-fo 6488  df-f1o 6489  df-fv 6490  df-isom 6491  df-riota 7306  df-ov 7352  df-2nd 7925  df-frecs 8214  df-wrecs 8245  df-smo 8269  df-recs 8294  df-oi 9402
This theorem is referenced by:  oiid  9433  hsmexlem1  10320  hsmexlem2  10321
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