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Theorem sategoelfvb 34873
Description: Characterization of a valuation 𝑆 of a simplified satisfaction predicate for a Godel-set of membership. (Contributed by AV, 5-Nov-2023.)
Hypothesis
Ref Expression
sategoelfvb.s 𝐸 = (𝑀 Sat (𝐴𝑔𝐵))
Assertion
Ref Expression
sategoelfvb ((𝑀𝑉 ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω)) → (𝑆𝐸 ↔ (𝑆 ∈ (𝑀m ω) ∧ (𝑆𝐴) ∈ (𝑆𝐵))))

Proof of Theorem sategoelfvb
Dummy variables 𝑎 𝑏 𝑥 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 sategoelfvb.s . . . . 5 𝐸 = (𝑀 Sat (𝐴𝑔𝐵))
2 ovexd 7447 . . . . . . 7 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝐴𝑔𝐵) ∈ V)
3 simpl 482 . . . . . . . . 9 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → 𝐴 ∈ ω)
4 opeq1 4873 . . . . . . . . . . . . 13 (𝑎 = 𝐴 → ⟨𝑎, 𝑏⟩ = ⟨𝐴, 𝑏⟩)
54opeq2d 4880 . . . . . . . . . . . 12 (𝑎 = 𝐴 → ⟨∅, ⟨𝑎, 𝑏⟩⟩ = ⟨∅, ⟨𝐴, 𝑏⟩⟩)
65eqeq2d 2742 . . . . . . . . . . 11 (𝑎 = 𝐴 → (⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝑎, 𝑏⟩⟩ ↔ ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝐴, 𝑏⟩⟩))
76rexbidv 3177 . . . . . . . . . 10 (𝑎 = 𝐴 → (∃𝑏 ∈ ω ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝑎, 𝑏⟩⟩ ↔ ∃𝑏 ∈ ω ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝐴, 𝑏⟩⟩))
87adantl 481 . . . . . . . . 9 (((𝐴 ∈ ω ∧ 𝐵 ∈ ω) ∧ 𝑎 = 𝐴) → (∃𝑏 ∈ ω ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝑎, 𝑏⟩⟩ ↔ ∃𝑏 ∈ ω ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝐴, 𝑏⟩⟩))
9 simpr 484 . . . . . . . . . 10 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → 𝐵 ∈ ω)
10 opeq2 4874 . . . . . . . . . . . . 13 (𝑏 = 𝐵 → ⟨𝐴, 𝑏⟩ = ⟨𝐴, 𝐵⟩)
1110opeq2d 4880 . . . . . . . . . . . 12 (𝑏 = 𝐵 → ⟨∅, ⟨𝐴, 𝑏⟩⟩ = ⟨∅, ⟨𝐴, 𝐵⟩⟩)
1211eqeq2d 2742 . . . . . . . . . . 11 (𝑏 = 𝐵 → (⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝐴, 𝑏⟩⟩ ↔ ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝐴, 𝐵⟩⟩))
1312adantl 481 . . . . . . . . . 10 (((𝐴 ∈ ω ∧ 𝐵 ∈ ω) ∧ 𝑏 = 𝐵) → (⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝐴, 𝑏⟩⟩ ↔ ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝐴, 𝐵⟩⟩))
14 eqidd 2732 . . . . . . . . . 10 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝐴, 𝐵⟩⟩)
159, 13, 14rspcedvd 3614 . . . . . . . . 9 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → ∃𝑏 ∈ ω ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝐴, 𝑏⟩⟩)
163, 8, 15rspcedvd 3614 . . . . . . . 8 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → ∃𝑎 ∈ ω ∃𝑏 ∈ ω ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝑎, 𝑏⟩⟩)
17 goel 34801 . . . . . . . . . 10 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝐴𝑔𝐵) = ⟨∅, ⟨𝐴, 𝐵⟩⟩)
18 goel 34801 . . . . . . . . . 10 ((𝑎 ∈ ω ∧ 𝑏 ∈ ω) → (𝑎𝑔𝑏) = ⟨∅, ⟨𝑎, 𝑏⟩⟩)
1917, 18eqeqan12d 2745 . . . . . . . . 9 (((𝐴 ∈ ω ∧ 𝐵 ∈ ω) ∧ (𝑎 ∈ ω ∧ 𝑏 ∈ ω)) → ((𝐴𝑔𝐵) = (𝑎𝑔𝑏) ↔ ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝑎, 𝑏⟩⟩))
20192rexbidva 3216 . . . . . . . 8 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (∃𝑎 ∈ ω ∃𝑏 ∈ ω (𝐴𝑔𝐵) = (𝑎𝑔𝑏) ↔ ∃𝑎 ∈ ω ∃𝑏 ∈ ω ⟨∅, ⟨𝐴, 𝐵⟩⟩ = ⟨∅, ⟨𝑎, 𝑏⟩⟩))
2116, 20mpbird 257 . . . . . . 7 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → ∃𝑎 ∈ ω ∃𝑏 ∈ ω (𝐴𝑔𝐵) = (𝑎𝑔𝑏))
22 eqeq1 2735 . . . . . . . . 9 (𝑥 = (𝐴𝑔𝐵) → (𝑥 = (𝑎𝑔𝑏) ↔ (𝐴𝑔𝐵) = (𝑎𝑔𝑏)))
23222rexbidv 3218 . . . . . . . 8 (𝑥 = (𝐴𝑔𝐵) → (∃𝑎 ∈ ω ∃𝑏 ∈ ω 𝑥 = (𝑎𝑔𝑏) ↔ ∃𝑎 ∈ ω ∃𝑏 ∈ ω (𝐴𝑔𝐵) = (𝑎𝑔𝑏)))
24 fmla0 34836 . . . . . . . 8 (Fmla‘∅) = {𝑥 ∈ V ∣ ∃𝑎 ∈ ω ∃𝑏 ∈ ω 𝑥 = (𝑎𝑔𝑏)}
2523, 24elrab2 3686 . . . . . . 7 ((𝐴𝑔𝐵) ∈ (Fmla‘∅) ↔ ((𝐴𝑔𝐵) ∈ V ∧ ∃𝑎 ∈ ω ∃𝑏 ∈ ω (𝐴𝑔𝐵) = (𝑎𝑔𝑏)))
262, 21, 25sylanbrc 582 . . . . . 6 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝐴𝑔𝐵) ∈ (Fmla‘∅))
27 satefvfmla0 34872 . . . . . 6 ((𝑀𝑉 ∧ (𝐴𝑔𝐵) ∈ (Fmla‘∅)) → (𝑀 Sat (𝐴𝑔𝐵)) = {𝑎 ∈ (𝑀m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐴𝑔𝐵))))})
2826, 27sylan2 592 . . . . 5 ((𝑀𝑉 ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω)) → (𝑀 Sat (𝐴𝑔𝐵)) = {𝑎 ∈ (𝑀m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐴𝑔𝐵))))})
291, 28eqtrid 2783 . . . 4 ((𝑀𝑉 ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω)) → 𝐸 = {𝑎 ∈ (𝑀m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐴𝑔𝐵))))})
3029eleq2d 2818 . . 3 ((𝑀𝑉 ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω)) → (𝑆𝐸𝑆 ∈ {𝑎 ∈ (𝑀m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐴𝑔𝐵))))}))
31 fveq1 6890 . . . . 5 (𝑎 = 𝑆 → (𝑎‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) = (𝑆‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))))
32 fveq1 6890 . . . . 5 (𝑎 = 𝑆 → (𝑎‘(2nd ‘(2nd ‘(𝐴𝑔𝐵)))) = (𝑆‘(2nd ‘(2nd ‘(𝐴𝑔𝐵)))))
3331, 32eleq12d 2826 . . . 4 (𝑎 = 𝑆 → ((𝑎‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐴𝑔𝐵)))) ↔ (𝑆‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑆‘(2nd ‘(2nd ‘(𝐴𝑔𝐵))))))
3433elrab 3683 . . 3 (𝑆 ∈ {𝑎 ∈ (𝑀m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐴𝑔𝐵))))} ↔ (𝑆 ∈ (𝑀m ω) ∧ (𝑆‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑆‘(2nd ‘(2nd ‘(𝐴𝑔𝐵))))))
3530, 34bitrdi 287 . 2 ((𝑀𝑉 ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω)) → (𝑆𝐸 ↔ (𝑆 ∈ (𝑀m ω) ∧ (𝑆‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑆‘(2nd ‘(2nd ‘(𝐴𝑔𝐵)))))))
3617fveq2d 6895 . . . . . . . 8 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (2nd ‘(𝐴𝑔𝐵)) = (2nd ‘⟨∅, ⟨𝐴, 𝐵⟩⟩))
3736fveq2d 6895 . . . . . . 7 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (1st ‘(2nd ‘(𝐴𝑔𝐵))) = (1st ‘(2nd ‘⟨∅, ⟨𝐴, 𝐵⟩⟩)))
38 0ex 5307 . . . . . . . . . 10 ∅ ∈ V
39 opex 5464 . . . . . . . . . 10 𝐴, 𝐵⟩ ∈ V
4038, 39op2nd 7988 . . . . . . . . 9 (2nd ‘⟨∅, ⟨𝐴, 𝐵⟩⟩) = ⟨𝐴, 𝐵
4140fveq2i 6894 . . . . . . . 8 (1st ‘(2nd ‘⟨∅, ⟨𝐴, 𝐵⟩⟩)) = (1st ‘⟨𝐴, 𝐵⟩)
42 op1stg 7991 . . . . . . . 8 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (1st ‘⟨𝐴, 𝐵⟩) = 𝐴)
4341, 42eqtrid 2783 . . . . . . 7 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (1st ‘(2nd ‘⟨∅, ⟨𝐴, 𝐵⟩⟩)) = 𝐴)
4437, 43eqtrd 2771 . . . . . 6 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (1st ‘(2nd ‘(𝐴𝑔𝐵))) = 𝐴)
4544fveq2d 6895 . . . . 5 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝑆‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) = (𝑆𝐴))
4636fveq2d 6895 . . . . . . 7 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (2nd ‘(2nd ‘(𝐴𝑔𝐵))) = (2nd ‘(2nd ‘⟨∅, ⟨𝐴, 𝐵⟩⟩)))
4740fveq2i 6894 . . . . . . . 8 (2nd ‘(2nd ‘⟨∅, ⟨𝐴, 𝐵⟩⟩)) = (2nd ‘⟨𝐴, 𝐵⟩)
48 op2ndg 7992 . . . . . . . 8 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (2nd ‘⟨𝐴, 𝐵⟩) = 𝐵)
4947, 48eqtrid 2783 . . . . . . 7 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (2nd ‘(2nd ‘⟨∅, ⟨𝐴, 𝐵⟩⟩)) = 𝐵)
5046, 49eqtrd 2771 . . . . . 6 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (2nd ‘(2nd ‘(𝐴𝑔𝐵))) = 𝐵)
5150fveq2d 6895 . . . . 5 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝑆‘(2nd ‘(2nd ‘(𝐴𝑔𝐵)))) = (𝑆𝐵))
5245, 51eleq12d 2826 . . . 4 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → ((𝑆‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑆‘(2nd ‘(2nd ‘(𝐴𝑔𝐵)))) ↔ (𝑆𝐴) ∈ (𝑆𝐵)))
5352adantl 481 . . 3 ((𝑀𝑉 ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω)) → ((𝑆‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑆‘(2nd ‘(2nd ‘(𝐴𝑔𝐵)))) ↔ (𝑆𝐴) ∈ (𝑆𝐵)))
5453anbi2d 628 . 2 ((𝑀𝑉 ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω)) → ((𝑆 ∈ (𝑀m ω) ∧ (𝑆‘(1st ‘(2nd ‘(𝐴𝑔𝐵)))) ∈ (𝑆‘(2nd ‘(2nd ‘(𝐴𝑔𝐵))))) ↔ (𝑆 ∈ (𝑀m ω) ∧ (𝑆𝐴) ∈ (𝑆𝐵))))
5535, 54bitrd 279 1 ((𝑀𝑉 ∧ (𝐴 ∈ ω ∧ 𝐵 ∈ ω)) → (𝑆𝐸 ↔ (𝑆 ∈ (𝑀m ω) ∧ (𝑆𝐴) ∈ (𝑆𝐵))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 395   = wceq 1540  wcel 2105  wrex 3069  {crab 3431  Vcvv 3473  c0 4322  cop 4634  cfv 6543  (class class class)co 7412  ωcom 7859  1st c1st 7977  2nd c2nd 7978  m cmap 8826  𝑔cgoe 34787  Fmlacfmla 34791   Sat csate 34792
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1912  ax-6 1970  ax-7 2010  ax-8 2107  ax-9 2115  ax-10 2136  ax-11 2153  ax-12 2170  ax-ext 2702  ax-rep 5285  ax-sep 5299  ax-nul 5306  ax-pow 5363  ax-pr 5427  ax-un 7729  ax-inf2 9642  ax-ac2 10464
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 845  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1781  df-nf 1785  df-sb 2067  df-mo 2533  df-eu 2562  df-clab 2709  df-cleq 2723  df-clel 2809  df-nfc 2884  df-ne 2940  df-nel 3046  df-ral 3061  df-rex 3070  df-rmo 3375  df-reu 3376  df-rab 3432  df-v 3475  df-sbc 3778  df-csb 3894  df-dif 3951  df-un 3953  df-in 3955  df-ss 3965  df-pss 3967  df-nul 4323  df-if 4529  df-pw 4604  df-sn 4629  df-pr 4631  df-op 4635  df-uni 4909  df-int 4951  df-iun 4999  df-br 5149  df-opab 5211  df-mpt 5232  df-tr 5266  df-id 5574  df-eprel 5580  df-po 5588  df-so 5589  df-fr 5631  df-se 5632  df-we 5633  df-xp 5682  df-rel 5683  df-cnv 5684  df-co 5685  df-dm 5686  df-rn 5687  df-res 5688  df-ima 5689  df-pred 6300  df-ord 6367  df-on 6368  df-lim 6369  df-suc 6370  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 7368  df-ov 7415  df-oprab 7416  df-mpo 7417  df-om 7860  df-1st 7979  df-2nd 7980  df-frecs 8272  df-wrecs 8303  df-recs 8377  df-rdg 8416  df-1o 8472  df-2o 8473  df-er 8709  df-map 8828  df-en 8946  df-dom 8947  df-sdom 8948  df-fin 8949  df-card 9940  df-ac 10117  df-goel 34794  df-gona 34795  df-goal 34796  df-sat 34797  df-sate 34798  df-fmla 34799
This theorem is referenced by:  sategoelfv  34874  ex-sategoelel  34875  ex-sategoelelomsuc  34880  ex-sategoelel12  34881
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