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Theorem prv1n 33293
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 9331 . . . . . . . 8 ω ∈ V
3 snex 5349 . . . . . . . 8 {𝑋} ∈ V
42, 3xpex 7581 . . . . . . 7 (ω × {𝑋}) ∈ V
5 eqeq1 2742 . . . . . . 7 (𝑎 = (ω × {𝑋}) → (𝑎 = (ω × {𝑋}) ↔ (ω × {𝑋}) = (ω × {𝑋})))
64, 5spcev 3535 . . . . . 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 470 . . . . . . . 8 ({𝑋} ∈ V ∧ ω ∈ V)
9 elmapg 8586 . . . . . . . 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 7060 . . . . . . . 8 (𝑋𝑉 → (𝑎:ω⟶{𝑋} ↔ 𝑎 = (ω × {𝑋})))
12113ad2ant3 1133 . . . . . . 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 1925 . . . . 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 4276 . . . 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 327 . 2 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ¬ ∅ = ({𝑋} ↑m ω))
20 ovex 7288 . . . . 5 (𝐼𝑔𝐽) ∈ V
213, 20pm3.2i 470 . . . 4 ({𝑋} ∈ V ∧ (𝐼𝑔𝐽) ∈ V)
22 prv 33290 . . . 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 33209 . . . . . . . . 9 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼𝑔𝐽) = ⟨∅, ⟨𝐼, 𝐽⟩⟩)
25 0ex 5226 . . . . . . . . . . . 12 ∅ ∈ V
2625snid 4594 . . . . . . . . . . 11 ∅ ∈ {∅}
2726a1i 11 . . . . . . . . . 10 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ∅ ∈ {∅})
28 opelxpi 5617 . . . . . . . . . 10 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ⟨𝐼, 𝐽⟩ ∈ (ω × ω))
2927, 28opelxpd 5618 . . . . . . . . 9 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ⟨∅, ⟨𝐼, 𝐽⟩⟩ ∈ ({∅} × (ω × ω)))
3024, 29eqeltrd 2839 . . . . . . . 8 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼𝑔𝐽) ∈ ({∅} × (ω × ω)))
31 fmla0xp 33245 . . . . . . . 8 (Fmla‘∅) = ({∅} × (ω × ω))
3230, 31eleqtrrdi 2850 . . . . . . 7 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼𝑔𝐽) ∈ (Fmla‘∅))
33323adant3 1130 . . . . . 6 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → (𝐼𝑔𝐽) ∈ (Fmla‘∅))
34 satefvfmla0 33280 . . . . . 6 (({𝑋} ∈ V ∧ (𝐼𝑔𝐽) ∈ (Fmla‘∅)) → ({𝑋} Sat (𝐼𝑔𝐽)) = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽))))})
353, 33, 34sylancr 586 . . . . 5 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ({𝑋} Sat (𝐼𝑔𝐽)) = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽))))})
3624fveq2d 6760 . . . . . . . . . . . . 13 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(𝐼𝑔𝐽)) = (2nd ‘⟨∅, ⟨𝐼, 𝐽⟩⟩))
37 opex 5373 . . . . . . . . . . . . . 14 𝐼, 𝐽⟩ ∈ V
3825, 37op2nd 7813 . . . . . . . . . . . . 13 (2nd ‘⟨∅, ⟨𝐼, 𝐽⟩⟩) = ⟨𝐼, 𝐽
3936, 38eqtrdi 2795 . . . . . . . . . . . 12 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(𝐼𝑔𝐽)) = ⟨𝐼, 𝐽⟩)
4039fveq2d 6760 . . . . . . . . . . 11 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (1st ‘(2nd ‘(𝐼𝑔𝐽))) = (1st ‘⟨𝐼, 𝐽⟩))
41 op1stg 7816 . . . . . . . . . . 11 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (1st ‘⟨𝐼, 𝐽⟩) = 𝐼)
4240, 41eqtrd 2778 . . . . . . . . . 10 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (1st ‘(2nd ‘(𝐼𝑔𝐽))) = 𝐼)
4342fveq2d 6760 . . . . . . . . 9 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) = (𝑎𝐼))
4439fveq2d 6760 . . . . . . . . . . 11 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(2nd ‘(𝐼𝑔𝐽))) = (2nd ‘⟨𝐼, 𝐽⟩))
45 op2ndg 7817 . . . . . . . . . . 11 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘⟨𝐼, 𝐽⟩) = 𝐽)
4644, 45eqtrd 2778 . . . . . . . . . 10 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(2nd ‘(𝐼𝑔𝐽))) = 𝐽)
4746fveq2d 6760 . . . . . . . . 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 3404 . . . . . . 7 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼𝑔𝐽))))} = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎𝐼) ∈ (𝑎𝐽)})
50493adant3 1130 . . . . . 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 8595 . . . . . . . . . 10 (𝑎 ∈ ({𝑋} ↑m ω) → 𝑎:ω⟶{𝑋})
52 elirr 9286 . . . . . . . . . . . 12 ¬ 𝑋𝑋
53 fvconst 7018 . . . . . . . . . . . . . 14 ((𝑎:ω⟶{𝑋} ∧ 𝐼 ∈ ω) → (𝑎𝐼) = 𝑋)
54533ad2antr1 1186 . . . . . . . . . . . . 13 ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉)) → (𝑎𝐼) = 𝑋)
55 fvconst 7018 . . . . . . . . . . . . . 14 ((𝑎:ω⟶{𝑋} ∧ 𝐽 ∈ ω) → (𝑎𝐽) = 𝑋)
56553ad2antr2 1187 . . . . . . . . . . . . 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 326 . . . . . . . . . . 11 ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉)) → ¬ (𝑎𝐼) ∈ (𝑎𝐽))
5958ex 412 . . . . . . . . . 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 407 . . . . . . . 8 (((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) ∧ 𝑎 ∈ ({𝑋} ↑m ω)) → ¬ (𝑎𝐼) ∈ (𝑎𝐽))
6261ralrimiva 3107 . . . . . . 7 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ∀𝑎 ∈ ({𝑋} ↑m ω) ¬ (𝑎𝐼) ∈ (𝑎𝐽))
63 rabeq0 4315 . . . . . . 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 324 1 ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋𝑉) → ¬ {𝑋}⊧(𝐼𝑔𝐽))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 205  wa 395  w3a 1085   = wceq 1539  wex 1783  wcel 2108  wral 3063  {crab 3067  Vcvv 3422  c0 4253  {csn 4558  cop 4564   class class class wbr 5070   × cxp 5578  wf 6414  cfv 6418  (class class class)co 7255  ωcom 7687  1st c1st 7802  2nd c2nd 7803  m cmap 8573  𝑔cgoe 33195  Fmlacfmla 33199   Sat csate 33200  cprv 33201
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-rep 5205  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566  ax-reg 9281  ax-inf2 9329  ax-ac2 10150
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-nel 3049  df-ral 3068  df-rex 3069  df-reu 3070  df-rmo 3071  df-rab 3072  df-v 3424  df-sbc 3712  df-csb 3829  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-pss 3902  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-tp 4563  df-op 4565  df-uni 4837  df-int 4877  df-iun 4923  df-br 5071  df-opab 5133  df-mpt 5154  df-tr 5188  df-id 5480  df-eprel 5486  df-po 5494  df-so 5495  df-fr 5535  df-se 5536  df-we 5537  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-ima 5593  df-pred 6191  df-ord 6254  df-on 6255  df-lim 6256  df-suc 6257  df-iota 6376  df-fun 6420  df-fn 6421  df-f 6422  df-f1 6423  df-fo 6424  df-f1o 6425  df-fv 6426  df-isom 6427  df-riota 7212  df-ov 7258  df-oprab 7259  df-mpo 7260  df-om 7688  df-1st 7804  df-2nd 7805  df-frecs 8068  df-wrecs 8099  df-recs 8173  df-rdg 8212  df-1o 8267  df-2o 8268  df-er 8456  df-map 8575  df-en 8692  df-dom 8693  df-sdom 8694  df-card 9628  df-ac 9803  df-goel 33202  df-gona 33203  df-goal 33204  df-sat 33205  df-sate 33206  df-fmla 33207  df-prv 33208
This theorem is referenced by: (None)
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