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Theorem ex-sategoelel 35084
Description: Example of a valuation of a simplified satisfaction predicate for a Godel-set of membership. (Contributed by AV, 5-Nov-2023.)
Hypotheses
Ref Expression
sategoelfvb.s 𝐸 = (𝑀 Sat (𝐴𝑔𝐵))
ex-sategoelel.s 𝑆 = (𝑥 ∈ ω ↦ if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅)))
Assertion
Ref Expression
ex-sategoelel (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝑆𝐸)
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝑥,𝑀   𝑥,𝑍
Allowed substitution hints:   𝑆(𝑥)   𝐸(𝑥)

Proof of Theorem ex-sategoelel
StepHypRef Expression
1 simpr 483 . . . . . . 7 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → 𝑍𝑀)
2 simpl 481 . . . . . . . . 9 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → 𝑀 ∈ WUni)
32, 1wunpw 10725 . . . . . . . 8 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → 𝒫 𝑍𝑀)
42wun0 10736 . . . . . . . 8 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → ∅ ∈ 𝑀)
53, 4ifcld 4571 . . . . . . 7 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → if(𝑥 = 𝐵, 𝒫 𝑍, ∅) ∈ 𝑀)
61, 5ifcld 4571 . . . . . 6 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅)) ∈ 𝑀)
76adantr 479 . . . . 5 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅)) ∈ 𝑀)
87adantr 479 . . . 4 ((((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) ∧ 𝑥 ∈ ω) → if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅)) ∈ 𝑀)
9 ex-sategoelel.s . . . 4 𝑆 = (𝑥 ∈ ω ↦ if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅)))
108, 9fmptd 7117 . . 3 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝑆:ω⟶𝑀)
112adantr 479 . . . 4 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝑀 ∈ WUni)
12 omex 9661 . . . . 5 ω ∈ V
1312a1i 11 . . . 4 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → ω ∈ V)
1411, 13elmapd 8852 . . 3 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → (𝑆 ∈ (𝑀m ω) ↔ 𝑆:ω⟶𝑀))
1510, 14mpbird 256 . 2 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝑆 ∈ (𝑀m ω))
16 pwidg 4619 . . . . 5 (𝑍𝑀𝑍 ∈ 𝒫 𝑍)
1716adantl 480 . . . 4 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → 𝑍 ∈ 𝒫 𝑍)
1817adantr 479 . . 3 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝑍 ∈ 𝒫 𝑍)
199a1i 11 . . . 4 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝑆 = (𝑥 ∈ ω ↦ if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅))))
20 iftrue 4531 . . . . 5 (𝑥 = 𝐴 → if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅)) = 𝑍)
2120adantl 480 . . . 4 ((((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) ∧ 𝑥 = 𝐴) → if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅)) = 𝑍)
22 simpr1 1191 . . . 4 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝐴 ∈ ω)
231adantr 479 . . . 4 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝑍𝑀)
2419, 21, 22, 23fvmptd 7005 . . 3 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → (𝑆𝐴) = 𝑍)
25 eqeq1 2729 . . . . . . 7 (𝑥 = 𝐵 → (𝑥 = 𝐴𝐵 = 𝐴))
26 eqeq1 2729 . . . . . . . 8 (𝑥 = 𝐵 → (𝑥 = 𝐵𝐵 = 𝐵))
2726ifbid 4548 . . . . . . 7 (𝑥 = 𝐵 → if(𝑥 = 𝐵, 𝒫 𝑍, ∅) = if(𝐵 = 𝐵, 𝒫 𝑍, ∅))
2825, 27ifbieq2d 4551 . . . . . 6 (𝑥 = 𝐵 → if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅)) = if(𝐵 = 𝐴, 𝑍, if(𝐵 = 𝐵, 𝒫 𝑍, ∅)))
29 necom 2984 . . . . . . . . 9 (𝐴𝐵𝐵𝐴)
30 ifnefalse 4537 . . . . . . . . 9 (𝐵𝐴 → if(𝐵 = 𝐴, 𝑍, if(𝐵 = 𝐵, 𝒫 𝑍, ∅)) = if(𝐵 = 𝐵, 𝒫 𝑍, ∅))
3129, 30sylbi 216 . . . . . . . 8 (𝐴𝐵 → if(𝐵 = 𝐴, 𝑍, if(𝐵 = 𝐵, 𝒫 𝑍, ∅)) = if(𝐵 = 𝐵, 𝒫 𝑍, ∅))
32313ad2ant3 1132 . . . . . . 7 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵) → if(𝐵 = 𝐴, 𝑍, if(𝐵 = 𝐵, 𝒫 𝑍, ∅)) = if(𝐵 = 𝐵, 𝒫 𝑍, ∅))
3332adantl 480 . . . . . 6 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → if(𝐵 = 𝐴, 𝑍, if(𝐵 = 𝐵, 𝒫 𝑍, ∅)) = if(𝐵 = 𝐵, 𝒫 𝑍, ∅))
3428, 33sylan9eqr 2787 . . . . 5 ((((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) ∧ 𝑥 = 𝐵) → if(𝑥 = 𝐴, 𝑍, if(𝑥 = 𝐵, 𝒫 𝑍, ∅)) = if(𝐵 = 𝐵, 𝒫 𝑍, ∅))
35 simpr2 1192 . . . . 5 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝐵 ∈ ω)
36 pwexg 5373 . . . . . . . 8 (𝑍𝑀 → 𝒫 𝑍 ∈ V)
3736adantl 480 . . . . . . 7 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → 𝒫 𝑍 ∈ V)
38 0ex 5303 . . . . . . . 8 ∅ ∈ V
3938a1i 11 . . . . . . 7 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → ∅ ∈ V)
4037, 39ifcld 4571 . . . . . 6 ((𝑀 ∈ WUni ∧ 𝑍𝑀) → if(𝐵 = 𝐵, 𝒫 𝑍, ∅) ∈ V)
4140adantr 479 . . . . 5 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → if(𝐵 = 𝐵, 𝒫 𝑍, ∅) ∈ V)
4219, 34, 35, 41fvmptd 7005 . . . 4 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → (𝑆𝐵) = if(𝐵 = 𝐵, 𝒫 𝑍, ∅))
43 eqid 2725 . . . . 5 𝐵 = 𝐵
4443iftruei 4532 . . . 4 if(𝐵 = 𝐵, 𝒫 𝑍, ∅) = 𝒫 𝑍
4542, 44eqtrdi 2781 . . 3 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → (𝑆𝐵) = 𝒫 𝑍)
4618, 24, 453eltr4d 2840 . 2 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → (𝑆𝐴) ∈ (𝑆𝐵))
47 3simpa 1145 . . 3 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵) → (𝐴 ∈ ω ∧ 𝐵 ∈ ω))
48 sategoelfvb.s . . . 4 𝐸 = (𝑀 Sat (𝐴𝑔𝐵))
4948sategoelfvb 35082 . . 3 ((𝑀 ∈ WUni ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω)) → (𝑆𝐸 ↔ (𝑆 ∈ (𝑀m ω) ∧ (𝑆𝐴) ∈ (𝑆𝐵))))
502, 47, 49syl2an 594 . 2 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → (𝑆𝐸 ↔ (𝑆 ∈ (𝑀m ω) ∧ (𝑆𝐴) ∈ (𝑆𝐵))))
5115, 46, 50mpbir2and 711 1 (((𝑀 ∈ WUni ∧ 𝑍𝑀) ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω ∧ 𝐴𝐵)) → 𝑆𝐸)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 394  w3a 1084   = wceq 1533  wcel 2098  wne 2930  Vcvv 3463  c0 4319  ifcif 4525  𝒫 cpw 4599  cmpt 5227  wf 6539  cfv 6543  (class class class)co 7413  ωcom 7865  m cmap 8838  WUnicwun 10718  𝑔cgoe 34996   Sat csate 35001
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1905  ax-6 1963  ax-7 2003  ax-8 2100  ax-9 2108  ax-10 2129  ax-11 2146  ax-12 2166  ax-ext 2696  ax-rep 5281  ax-sep 5295  ax-nul 5302  ax-pow 5360  ax-pr 5424  ax-un 7735  ax-inf2 9659  ax-ac2 10481
This theorem depends on definitions:  df-bi 206  df-an 395  df-or 846  df-3or 1085  df-3an 1086  df-tru 1536  df-fal 1546  df-ex 1774  df-nf 1778  df-sb 2060  df-mo 2528  df-eu 2557  df-clab 2703  df-cleq 2717  df-clel 2802  df-nfc 2877  df-ne 2931  df-nel 3037  df-ral 3052  df-rex 3061  df-rmo 3364  df-reu 3365  df-rab 3420  df-v 3465  df-sbc 3771  df-csb 3887  df-dif 3944  df-un 3946  df-in 3948  df-ss 3958  df-pss 3961  df-nul 4320  df-if 4526  df-pw 4601  df-sn 4626  df-pr 4628  df-op 4632  df-uni 4905  df-int 4946  df-iun 4994  df-br 5145  df-opab 5207  df-mpt 5228  df-tr 5262  df-id 5571  df-eprel 5577  df-po 5585  df-so 5586  df-fr 5628  df-se 5629  df-we 5630  df-xp 5679  df-rel 5680  df-cnv 5681  df-co 5682  df-dm 5683  df-rn 5684  df-res 5685  df-ima 5686  df-pred 6301  df-ord 6368  df-on 6369  df-lim 6370  df-suc 6371  df-iota 6495  df-fun 6545  df-fn 6546  df-f 6547  df-f1 6548  df-fo 6549  df-f1o 6550  df-fv 6551  df-isom 6552  df-riota 7369  df-ov 7416  df-oprab 7417  df-mpo 7418  df-om 7866  df-1st 7987  df-2nd 7988  df-frecs 8280  df-wrecs 8311  df-recs 8385  df-rdg 8424  df-1o 8480  df-2o 8481  df-er 8718  df-map 8840  df-en 8958  df-dom 8959  df-sdom 8960  df-fin 8961  df-card 9957  df-ac 10134  df-wun 10720  df-goel 35003  df-gona 35004  df-goal 35005  df-sat 35006  df-sate 35007  df-fmla 35008
This theorem is referenced by:  ex-sategoel  35085
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