Theorem prv1n 32699

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 ∧ 𝑋 ∈ 𝑉) → ¬ {𝑋}⊧(𝐼∈𝑔𝐽))

Proof of Theorem prv1n

Dummy variable 𝑎 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2820	. . . . . 6 ⊢ (ω × {𝑋}) = (ω × {𝑋})
2		omex 9099	. . . . . . . 8 ⊢ ω ∈ V
3		snex 5325	. . . . . . . 8 ⊢ {𝑋} ∈ V
4	2, 3	xpex 7469	. . . . . . 7 ⊢ (ω × {𝑋}) ∈ V
5		eqeq1 2824	. . . . . . 7 ⊢ (𝑎 = (ω × {𝑋}) → (𝑎 = (ω × {𝑋}) ↔ (ω × {𝑋}) = (ω × {𝑋})))
6	4, 5	spcev 3604	. . . . . 6 ⊢ ((ω × {𝑋}) = (ω × {𝑋}) → ∃𝑎 𝑎 = (ω × {𝑋}))
7	1, 6	mp1i 13	. . . . 5 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ∃𝑎 𝑎 = (ω × {𝑋}))
8	3, 2	pm3.2i 473	. . . . . . . 8 ⊢ ({𝑋} ∈ V ∧ ω ∈ V)
9		elmapg 8412	. . . . . . . 8 ⊢ (({𝑋} ∈ V ∧ ω ∈ V) → (𝑎 ∈ ({𝑋} ↑m ω) ↔ 𝑎:ω⟶{𝑋}))
10	8, 9	mp1i 13	. . . . . . 7 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → (𝑎 ∈ ({𝑋} ↑m ω) ↔ 𝑎:ω⟶{𝑋}))
11		fconst2g 6958	. . . . . . . 8 ⊢ (𝑋 ∈ 𝑉 → (𝑎:ω⟶{𝑋} ↔ 𝑎 = (ω × {𝑋})))
12	11	3ad2ant3 1130	. . . . . . 7 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → (𝑎:ω⟶{𝑋} ↔ 𝑎 = (ω × {𝑋})))
13	10, 12	bitrd 281	. . . . . 6 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → (𝑎 ∈ ({𝑋} ↑m ω) ↔ 𝑎 = (ω × {𝑋})))
14	13	exbidv 1921	. . . . 5 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → (∃𝑎 𝑎 ∈ ({𝑋} ↑m ω) ↔ ∃𝑎 𝑎 = (ω × {𝑋})))
15	7, 14	mpbird 259	. . . 4 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ∃𝑎 𝑎 ∈ ({𝑋} ↑m ω))
16		neq0 4302	. . . 4 ⊢ (¬ ({𝑋} ↑m ω) = ∅ ↔ ∃𝑎 𝑎 ∈ ({𝑋} ↑m ω))
17	15, 16	sylibr 236	. . 3 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ¬ ({𝑋} ↑m ω) = ∅)
18		eqcom 2827	. . 3 ⊢ (({𝑋} ↑m ω) = ∅ ↔ ∅ = ({𝑋} ↑m ω))
19	17, 18	sylnib 330	. 2 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ¬ ∅ = ({𝑋} ↑m ω))
20		ovex 7182	. . . . 5 ⊢ (𝐼∈𝑔𝐽) ∈ V
21	3, 20	pm3.2i 473	. . . 4 ⊢ ({𝑋} ∈ V ∧ (𝐼∈𝑔𝐽) ∈ V)
22		prv 32696	. . . 4 ⊢ (({𝑋} ∈ V ∧ (𝐼∈𝑔𝐽) ∈ V) → ({𝑋}⊧(𝐼∈𝑔𝐽) ↔ ({𝑋} Sat∈ (𝐼∈𝑔𝐽)) = ({𝑋} ↑m ω)))
23	21, 22	mp1i 13	. . 3 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ({𝑋}⊧(𝐼∈𝑔𝐽) ↔ ({𝑋} Sat∈ (𝐼∈𝑔𝐽)) = ({𝑋} ↑m ω)))
24		goel 32615	. . . . . . . . 9 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼∈𝑔𝐽) = ⟨∅, ⟨𝐼, 𝐽⟩⟩)
25		0ex 5204	. . . . . . . . . . . 12 ⊢ ∅ ∈ V
26	25	snid 4594	. . . . . . . . . . 11 ⊢ ∅ ∈ {∅}
27	26	a1i 11	. . . . . . . . . 10 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ∅ ∈ {∅})
28		opelxpi 5585	. . . . . . . . . 10 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ⟨𝐼, 𝐽⟩ ∈ (ω × ω))
29	27, 28	opelxpd 5586	. . . . . . . . 9 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ⟨∅, ⟨𝐼, 𝐽⟩⟩ ∈ ({∅} × (ω × ω)))
30	24, 29	eqeltrd 2912	. . . . . . . 8 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼∈𝑔𝐽) ∈ ({∅} × (ω × ω)))
31		fmla0xp 32651	. . . . . . . 8 ⊢ (Fmla‘∅) = ({∅} × (ω × ω))
32	30, 31	eleqtrrdi 2923	. . . . . . 7 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝐼∈𝑔𝐽) ∈ (Fmla‘∅))
33	32	3adant3 1127	. . . . . 6 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → (𝐼∈𝑔𝐽) ∈ (Fmla‘∅))
34		satefvfmla0 32686	. . . . . 6 ⊢ (({𝑋} ∈ V ∧ (𝐼∈𝑔𝐽) ∈ (Fmla‘∅)) → ({𝑋} Sat∈ (𝐼∈𝑔𝐽)) = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼∈𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼∈𝑔𝐽))))})
35	3, 33, 34	sylancr 589	. . . . 5 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ({𝑋} Sat∈ (𝐼∈𝑔𝐽)) = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼∈𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼∈𝑔𝐽))))})
36	24	fveq2d 6667	. . . . . . . . . . . . 13 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(𝐼∈𝑔𝐽)) = (2nd ‘⟨∅, ⟨𝐼, 𝐽⟩⟩))
37		opex 5349	. . . . . . . . . . . . . 14 ⊢ ⟨𝐼, 𝐽⟩ ∈ V
38	25, 37	op2nd 7691	. . . . . . . . . . . . 13 ⊢ (2nd ‘⟨∅, ⟨𝐼, 𝐽⟩⟩) = ⟨𝐼, 𝐽⟩
39	36, 38	syl6eq 2871	. . . . . . . . . . . 12 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(𝐼∈𝑔𝐽)) = ⟨𝐼, 𝐽⟩)
40	39	fveq2d 6667	. . . . . . . . . . 11 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (1st ‘(2nd ‘(𝐼∈𝑔𝐽))) = (1st ‘⟨𝐼, 𝐽⟩))
41		op1stg 7694	. . . . . . . . . . 11 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (1st ‘⟨𝐼, 𝐽⟩) = 𝐼)
42	40, 41	eqtrd 2855	. . . . . . . . . 10 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (1st ‘(2nd ‘(𝐼∈𝑔𝐽))) = 𝐼)
43	42	fveq2d 6667	. . . . . . . . 9 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝑎‘(1st ‘(2nd ‘(𝐼∈𝑔𝐽)))) = (𝑎‘𝐼))
44	39	fveq2d 6667	. . . . . . . . . . 11 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(2nd ‘(𝐼∈𝑔𝐽))) = (2nd ‘⟨𝐼, 𝐽⟩))
45		op2ndg 7695	. . . . . . . . . . 11 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘⟨𝐼, 𝐽⟩) = 𝐽)
46	44, 45	eqtrd 2855	. . . . . . . . . 10 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (2nd ‘(2nd ‘(𝐼∈𝑔𝐽))) = 𝐽)
47	46	fveq2d 6667	. . . . . . . . 9 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → (𝑎‘(2nd ‘(2nd ‘(𝐼∈𝑔𝐽)))) = (𝑎‘𝐽))
48	43, 47	eleq12d 2906	. . . . . . . 8 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → ((𝑎‘(1st ‘(2nd ‘(𝐼∈𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼∈𝑔𝐽)))) ↔ (𝑎‘𝐼) ∈ (𝑎‘𝐽)))
49	48	rabbidv 3477	. . . . . . 7 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω) → {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼∈𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼∈𝑔𝐽))))} = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘𝐼) ∈ (𝑎‘𝐽)})
50	49	3adant3 1127	. . . . . 6 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼∈𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼∈𝑔𝐽))))} = {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘𝐼) ∈ (𝑎‘𝐽)})
51		elmapi 8421	. . . . . . . . . 10 ⊢ (𝑎 ∈ ({𝑋} ↑m ω) → 𝑎:ω⟶{𝑋})
52		elirr 9054	. . . . . . . . . . . 12 ⊢ ¬ 𝑋 ∈ 𝑋
53		fvconst 6919	. . . . . . . . . . . . . 14 ⊢ ((𝑎:ω⟶{𝑋} ∧ 𝐼 ∈ ω) → (𝑎‘𝐼) = 𝑋)
54	53	3ad2antr1 1183	. . . . . . . . . . . . 13 ⊢ ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉)) → (𝑎‘𝐼) = 𝑋)
55		fvconst 6919	. . . . . . . . . . . . . 14 ⊢ ((𝑎:ω⟶{𝑋} ∧ 𝐽 ∈ ω) → (𝑎‘𝐽) = 𝑋)
56	55	3ad2antr2 1184	. . . . . . . . . . . . 13 ⊢ ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉)) → (𝑎‘𝐽) = 𝑋)
57	54, 56	eleq12d 2906	. . . . . . . . . . . 12 ⊢ ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉)) → ((𝑎‘𝐼) ∈ (𝑎‘𝐽) ↔ 𝑋 ∈ 𝑋))
58	52, 57	mtbiri 329	. . . . . . . . . . 11 ⊢ ((𝑎:ω⟶{𝑋} ∧ (𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉)) → ¬ (𝑎‘𝐼) ∈ (𝑎‘𝐽))
59	58	ex 415	. . . . . . . . . 10 ⊢ (𝑎:ω⟶{𝑋} → ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ¬ (𝑎‘𝐼) ∈ (𝑎‘𝐽)))
60	51, 59	syl 17	. . . . . . . . 9 ⊢ (𝑎 ∈ ({𝑋} ↑m ω) → ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ¬ (𝑎‘𝐼) ∈ (𝑎‘𝐽)))
61	60	impcom 410	. . . . . . . 8 ⊢ (((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) ∧ 𝑎 ∈ ({𝑋} ↑m ω)) → ¬ (𝑎‘𝐼) ∈ (𝑎‘𝐽))
62	61	ralrimiva 3181	. . . . . . 7 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ∀𝑎 ∈ ({𝑋} ↑m ω) ¬ (𝑎‘𝐼) ∈ (𝑎‘𝐽))
63		rabeq0 4331	. . . . . . 7 ⊢ ({𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘𝐼) ∈ (𝑎‘𝐽)} = ∅ ↔ ∀𝑎 ∈ ({𝑋} ↑m ω) ¬ (𝑎‘𝐼) ∈ (𝑎‘𝐽))
64	62, 63	sylibr 236	. . . . . 6 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘𝐼) ∈ (𝑎‘𝐽)} = ∅)
65	50, 64	eqtrd 2855	. . . . 5 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → {𝑎 ∈ ({𝑋} ↑m ω) ∣ (𝑎‘(1st ‘(2nd ‘(𝐼∈𝑔𝐽)))) ∈ (𝑎‘(2nd ‘(2nd ‘(𝐼∈𝑔𝐽))))} = ∅)
66	35, 65	eqtrd 2855	. . . 4 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ({𝑋} Sat∈ (𝐼∈𝑔𝐽)) = ∅)
67	66	eqeq1d 2822	. . 3 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → (({𝑋} Sat∈ (𝐼∈𝑔𝐽)) = ({𝑋} ↑m ω) ↔ ∅ = ({𝑋} ↑m ω)))
68	23, 67	bitrd 281	. 2 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ({𝑋}⊧(𝐼∈𝑔𝐽) ↔ ∅ = ({𝑋} ↑m ω)))
69	19, 68	mtbird 327	1 ⊢ ((𝐼 ∈ ω ∧ 𝐽 ∈ ω ∧ 𝑋 ∈ 𝑉) → ¬ {𝑋}⊧(𝐼∈𝑔𝐽))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 208   ∧ wa 398   ∧ w3a 1082   = wceq 1536  ∃wex 1779   ∈ wcel 2113  ∀wral 3137  {crab 3141  Vcvv 3491  ∅c0 4284  {csn 4560  ⟨cop 4566   class class class wbr 5059   × cxp 5546  ⟶wf 6344  ‘cfv 6348  (class class class)co 7149  ωcom 7573  1^st c1st 7680  2^nd c2nd 7681   ↑_m cmap 8399  ∈_𝑔cgoe 32601  Fmlacfmla 32605   Sat_∈ csate 32606  ⊧cprv 32607

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 1969  ax-7 2014  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2160  ax-12 2176  ax-ext 2792  ax-rep 5183  ax-sep 5196  ax-nul 5203  ax-pow 5259  ax-pr 5323  ax-un 7454  ax-reg 9049  ax-inf2 9097  ax-ac2 9878

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1083  df-3an 1084  df-tru 1539  df-ex 1780  df-nf 1784  df-sb 2069  df-mo 2621  df-eu 2653  df-clab 2799  df-cleq 2813  df-clel 2892  df-nfc 2962  df-ne 3016  df-nel 3123  df-ral 3142  df-rex 3143  df-reu 3144  df-rmo 3145  df-rab 3146  df-v 3493  df-sbc 3769  df-csb 3877  df-dif 3932  df-un 3934  df-in 3936  df-ss 3945  df-pss 3947  df-nul 4285  df-if 4461  df-pw 4534  df-sn 4561  df-pr 4563  df-tp 4565  df-op 4567  df-uni 4832  df-int 4870  df-iun 4914  df-br 5060  df-opab 5122  df-mpt 5140  df-tr 5166  df-id 5453  df-eprel 5458  df-po 5467  df-so 5468  df-fr 5507  df-se 5508  df-we 5509  df-xp 5554  df-rel 5555  df-cnv 5556  df-co 5557  df-dm 5558  df-rn 5559  df-res 5560  df-ima 5561  df-pred 6141  df-ord 6187  df-on 6188  df-lim 6189  df-suc 6190  df-iota 6307  df-fun 6350  df-fn 6351  df-f 6352  df-f1 6353  df-fo 6354  df-f1o 6355  df-fv 6356  df-isom 6357  df-riota 7107  df-ov 7152  df-oprab 7153  df-mpo 7154  df-om 7574  df-1st 7682  df-2nd 7683  df-wrecs 7940  df-recs 8001  df-rdg 8039  df-1o 8095  df-2o 8096  df-er 8282  df-map 8401  df-en 8503  df-dom 8504  df-sdom 8505  df-card 9361  df-ac 9535  df-goel 32608  df-gona 32609  df-goal 32610  df-sat 32611  df-sate 32612  df-fmla 32613  df-prv 32614

This theorem is referenced by: (None)