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Theorem prv1n 33393
Description: No wff encoded as a Godel-set of membership is true in a model with only one element. (Contributed by AV, 19-Nov-2023.)
Assertion
Ref Expression
prv1n ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ¬ {𝑋}⊧(𝐼𝑔𝐽))

Proof of Theorem prv1n
Dummy variable 𝑎 is distinct from all other variables.
StepHypRef Expression
1 eqid 2738 . . . . . 6 (ω × {𝑋}) = (ω × {𝑋})
2 omex 9401 . . . . . . . 8 ω ∈ V
3 snex 5354 . . . . . . . 8 {𝑋} ∈ V
42, 3xpex 7603 . . . . . . 7 (ω × {𝑋}) ∈ V
5 eqeq1 2742 . . . . . . 7 (𝑎 = (ω × {𝑋}) → (𝑎 = (ω × {𝑋}) ↔ (ω × {𝑋}) = (ω × {𝑋})))
64, 5spcev 3545 . . . . . 6 ((ω × {𝑋}) = (ω × {𝑋}) → ∃𝑎 𝑎 = (ω × {𝑋}))
71, 6mp1i 13 . . . . 5 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ∃𝑎 𝑎 = (ω × {𝑋}))
83, 2pm3.2i 471 . . . . . . . 8 ({𝑋} ∈ V ∧ ω ∈ V)
9 elmapg 8628 . . . . . . . 8 (({𝑋} ∈ V ∧ ω ∈ V) → (𝑎 ∈ ({𝑋} ↑m ω) ↔ 𝑎:ω⟶{𝑋}))
108, 9mp1i 13 . . . . . . 7 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → (𝑎 ∈ ({𝑋} ↑m ω) ↔ 𝑎:ω⟶{𝑋}))
11 fconst2g 7078 . . . . . . . 8 (𝑋𝑉 → (𝑎:ω⟶{𝑋} ↔ 𝑎 = (ω × {𝑋})))
12113ad2ant3 1134 . . . . . . 7 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → (𝑎:ω⟶{𝑋} ↔ 𝑎 = (ω × {𝑋})))
1310, 12bitrd 278 . . . . . 6 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → (𝑎 ∈ ({𝑋} ↑m ω) ↔ 𝑎 = (ω × {𝑋})))
1413exbidv 1924 . . . . 5 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → (∃𝑎 𝑎 ∈ ({𝑋} ↑m ω) ↔ ∃𝑎 𝑎 = (ω × {𝑋})))
157, 14mpbird 256 . . . 4 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ∃𝑎 𝑎 ∈ ({𝑋} ↑m ω))
16 neq0 4279 . . . 4 (¬ ({𝑋} ↑m ω) = ∅ ↔ ∃𝑎 𝑎 ∈ ({𝑋} ↑m ω))
1715, 16sylibr 233 . . 3 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ¬ ({𝑋} ↑m ω) = ∅)
18 eqcom 2745 . . 3 (({𝑋} ↑m ω) = ∅ ↔ ∅ = ({𝑋} ↑m ω))
1917, 18sylnib 328 . 2 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ¬ ∅ = ({𝑋} ↑m ω))
20 ovex 7308 . . . . 5 (𝐼𝑔𝐽) ∈ V
213, 20pm3.2i 471 . . . 4 ({𝑋} ∈ V ∧ (𝐼𝑔𝐽) ∈ V)
22 prv 33390 . . . 4 (({𝑋} ∈ V ∧ (𝐼𝑔𝐽) ∈ V) → ({𝑋}⊧(𝐼𝑔𝐽) ↔ ({𝑋} Sat (𝐼𝑔𝐽)) = ({𝑋} ↑m ω)))
2321, 22mp1i 13 . . 3 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ({𝑋}⊧(𝐼𝑔𝐽) ↔ ({𝑋} Sat (𝐼𝑔𝐽)) = ({𝑋} ↑m ω)))
24 goel 33309 . . . . . . . . 9 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼𝑔𝐽) = ⟨∅, ⟨𝐼, 𝐽⟩⟩)
25 0ex 5231 . . . . . . . . . . . 12 ∅ ∈ V
2625snid 4597 . . . . . . . . . . 11 ∅ ∈ {∅}
2726a1i 11 . . . . . . . . . 10 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ∅ ∈ {∅})
28 opelxpi 5626 . . . . . . . . . 10 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ⟨𝐼, 𝐽⟩ ∈ (ω × ω))
2927, 28opelxpd 5627 . . . . . . . . 9 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ⟨∅, ⟨𝐼, 𝐽⟩⟩ ∈ ({∅} × (ω × ω)))
3024, 29eqeltrd 2839 . . . . . . . 8 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼𝑔𝐽) ∈ ({∅} × (ω × ω)))
31 fmla0xp 33345 . . . . . . . 8 (Fmla‘∅) = ({∅} × (ω × ω))
3230, 31eleqtrrdi 2850 . . . . . . 7 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼𝑔𝐽) ∈ (Fmla‘∅))
33323adant3 1131 . . . . . 6 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → (𝐼𝑔𝐽) ∈ (Fmla‘∅))
34 satefvfmla0 33380 . . . . . 6 (({𝑋} ∈ V ∧ (𝐼𝑔𝐽) ∈ (Fmla‘∅)) → ({𝑋} Sat (𝐼𝑔𝐽)) = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽))))})
353, 33, 34sylancr 587 . . . . 5 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ({𝑋} Sat (𝐼𝑔𝐽)) = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽))))})
3624fveq2d 6778 . . . . . . . . . . . . 13 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(𝐼𝑔𝐽)) = (2nd ‘⟨∅, ⟨𝐼, 𝐽⟩⟩))
37 opex 5379 . . . . . . . . . . . . . 14 𝐼, 𝐽⟩ ∈ V
3825, 37op2nd 7840 . . . . . . . . . . . . 13 (2nd ‘⟨∅, ⟨𝐼, 𝐽⟩⟩) = ⟨𝐼, 𝐽
3936, 38eqtrdi 2794 . . . . . . . . . . . 12 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(𝐼𝑔𝐽)) = ⟨𝐼, 𝐽⟩)
4039fveq2d 6778 . . . . . . . . . . 11 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (1st ‘(2nd ‘(𝐼𝑔𝐽))) = (1st ‘⟨𝐼, 𝐽⟩))
41 op1stg 7843 . . . . . . . . . . 11 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (1st ‘⟨𝐼, 𝐽⟩) = 𝐼)
4240, 41eqtrd 2778 . . . . . . . . . 10 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (1st ‘(2nd ‘(𝐼𝑔𝐽))) = 𝐼)
4342fveq2d 6778 . . . . . . . . 9 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) = (𝑎𝐼))
4439fveq2d 6778 . . . . . . . . . . 11 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(2nd ‘(𝐼𝑔𝐽))) = (2nd ‘⟨𝐼, 𝐽⟩))
45 op2ndg 7844 . . . . . . . . . . 11 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘⟨𝐼, 𝐽⟩) = 𝐽)
4644, 45eqtrd 2778 . . . . . . . . . 10 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(2nd ‘(𝐼𝑔𝐽))) = 𝐽)
4746fveq2d 6778 . . . . . . . . 9 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽)))) = (𝑎𝐽))
4843, 47eleq12d 2833 . . . . . . . 8 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ((𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽)))) ↔ (𝑎𝐼) ∈ (𝑎𝐽)))
4948rabbidv 3414 . . . . . . 7 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽))))} = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎𝐼) ∈ (𝑎𝐽)})
50493adant3 1131 . . . . . 6 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽))))} = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎𝐼) ∈ (𝑎𝐽)})
51 elmapi 8637 . . . . . . . . . 10 (𝑎 ∈ ({𝑋} ↑m ω) → 𝑎:ω⟶{𝑋})
52 elirr 9356 . . . . . . . . . . . 12 ¬ 𝑋𝑋
53 fvconst 7036 . . . . . . . . . . . . . 14 ((𝑎:ω⟶{𝑋} ∧ 𝐼 ∈ ω) → (𝑎𝐼) = 𝑋)
54533ad2antr1 1187 . . . . . . . . . . . . 13 ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉)) → (𝑎𝐼) = 𝑋)
55 fvconst 7036 . . . . . . . . . . . . . 14 ((𝑎:ω⟶{𝑋} ∧ 𝐽 ∈ ω) → (𝑎𝐽) = 𝑋)
56553ad2antr2 1188 . . . . . . . . . . . . 13 ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉)) → (𝑎𝐽) = 𝑋)
5754, 56eleq12d 2833 . . . . . . . . . . . 12 ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉)) → ((𝑎𝐼) ∈ (𝑎𝐽) ↔ 𝑋𝑋))
5852, 57mtbiri 327 . . . . . . . . . . 11 ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉)) → ¬ (𝑎𝐼) ∈ (𝑎𝐽))
5958ex 413 . . . . . . . . . 10 (𝑎:ω⟶{𝑋} → ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ¬ (𝑎𝐼) ∈ (𝑎𝐽)))
6051, 59syl 17 . . . . . . . . 9 (𝑎 ∈ ({𝑋} ↑m ω) → ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ¬ (𝑎𝐼) ∈ (𝑎𝐽)))
6160impcom 408 . . . . . . . 8 (((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) ∧ 𝑎 ∈ ({𝑋} ↑m ω)) → ¬ (𝑎𝐼) ∈ (𝑎𝐽))
6261ralrimiva 3103 . . . . . . 7 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ∀𝑎 ∈ ({𝑋} ↑m ω) ¬ (𝑎𝐼) ∈ (𝑎𝐽))
63 rabeq0 4318 . . . . . . 7 ({𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎𝐼) ∈ (𝑎𝐽)} = ∅ ↔ ∀𝑎 ∈ ({𝑋} ↑m ω) ¬ (𝑎𝐼) ∈ (𝑎𝐽))
6462, 63sylibr 233 . . . . . 6 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎𝐼) ∈ (𝑎𝐽)} = ∅)
6550, 64eqtrd 2778 . . . . 5 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽))))} = ∅)
6635, 65eqtrd 2778 . . . 4 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ({𝑋} Sat (𝐼𝑔𝐽)) = ∅)
6766eqeq1d 2740 . . 3 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → (({𝑋} Sat (𝐼𝑔𝐽)) = ({𝑋} ↑m ω) ↔ ∅ = ({𝑋} ↑m ω)))
6823, 67bitrd 278 . 2 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ({𝑋}⊧(𝐼𝑔𝐽) ↔ ∅ = ({𝑋} ↑m ω)))
6919, 68mtbird 325 1 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ¬ {𝑋}⊧(𝐼𝑔𝐽))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 205  wa 396  w3a 1086   = wceq 1539  wex 1782  wcel 2106  wral 3064  {crab 3068  Vcvv 3432  c0 4256  {csn 4561  cop 4567   class class class wbr 5074   × cxp 5587  wf 6429  cfv 6433  (class class class)co 7275  ωcom 7712  1st c1st 7829  2nd c2nd 7830  m cmap 8615  𝑔cgoe 33295  Fmlacfmla 33299   Sat csate 33300  cprv 33301
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588  ax-reg 9351  ax-inf2 9399  ax-ac2 10219
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3or 1087  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-nel 3050  df-ral 3069  df-rex 3070  df-rmo 3071  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-pss 3906  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-int 4880  df-iun 4926  df-br 5075  df-opab 5137  df-mpt 5158  df-tr 5192  df-id 5489  df-eprel 5495  df-po 5503  df-so 5504  df-fr 5544  df-se 5545  df-we 5546  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-pred 6202  df-ord 6269  df-on 6270  df-lim 6271  df-suc 6272  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-isom 6442  df-riota 7232  df-ov 7278  df-oprab 7279  df-mpo 7280  df-om 7713  df-1st 7831  df-2nd 7832  df-frecs 8097  df-wrecs 8128  df-recs 8202  df-rdg 8241  df-1o 8297  df-2o 8298  df-er 8498  df-map 8617  df-en 8734  df-dom 8735  df-sdom 8736  df-fin 8737  df-card 9697  df-ac 9872  df-goel 33302  df-gona 33303  df-goal 33304  df-sat 33305  df-sate 33306  df-fmla 33307  df-prv 33308
This theorem is referenced by: (None)
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