Theorem 2omotaplemst 7588

Description: Lemma for 2omotap 7589. (Contributed by Jim Kingdon, 6-Feb-2025.)

Assertion

Ref	Expression
2omotaplemst	⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → 𝜑)

Distinct variable group:   𝜑,𝑟

Proof of Theorem 2omotaplemst

Dummy variables 𝑢 𝑣 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		2oneel 7586	. . . 4 ⊢ ⟨∅, 1o⟩ ∈ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)}
2		2omotaplemap 7587	. . . . . 6 ⊢ (¬ ¬ 𝜑 → {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} TAp 2o)
3	2	adantl 277	. . . . 5 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} TAp 2o)
4		2onn 6767	. . . . . . . . . 10 ⊢ 2o ∈ ω
5	4	elexi 2828	. . . . . . . . 9 ⊢ 2o ∈ V
6	5, 5	xpex 4871	. . . . . . . 8 ⊢ (2o × 2o) ∈ V
7		opabssxp 4829	. . . . . . . 8 ⊢ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} ⊆ (2o × 2o)
8	6, 7	ssexi 4253	. . . . . . 7 ⊢ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} ∈ V
9	8	a1i 9	. . . . . 6 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} ∈ V)
10		opabssxp 4829	. . . . . . . 8 ⊢ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} ⊆ (2o × 2o)
11	6, 10	ssexi 4253	. . . . . . 7 ⊢ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} ∈ V
12	11	a1i 9	. . . . . 6 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} ∈ V)
13		simpl 109	. . . . . 6 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → ∃*𝑟 𝑟 TAp 2o)
14		2onetap 7585	. . . . . . 7 ⊢ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} TAp 2o
15	14	a1i 9	. . . . . 6 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} TAp 2o)
16		tapeq1 7582	. . . . . . 7 ⊢ (𝑟 = {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} → (𝑟 TAp 2o ↔ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} TAp 2o))
17		tapeq1 7582	. . . . . . 7 ⊢ (𝑟 = {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} → (𝑟 TAp 2o ↔ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} TAp 2o))
18	16, 17	mob 3002	. . . . . 6 ⊢ ((({⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} ∈ V ∧ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} ∈ V) ∧ ∃*𝑟 𝑟 TAp 2o ∧ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} TAp 2o) → ({⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} = {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} ↔ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} TAp 2o))
19	9, 12, 13, 15, 18	syl211anc 1280	. . . . 5 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → ({⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} = {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} ↔ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} TAp 2o))
20	3, 19	mpbird 167	. . . 4 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ 𝑢 ≠ 𝑣)} = {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))})
21	1, 20	eleqtrid 2323	. . 3 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → ⟨∅, 1o⟩ ∈ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))})
22		0lt2o 6687	. . . 4 ⊢ ∅ ∈ 2o
23		1lt2o 6688	. . . 4 ⊢ 1o ∈ 2o
24		neeq1 2427	. . . . . 6 ⊢ (𝑢 = ∅ → (𝑢 ≠ 𝑣 ↔ ∅ ≠ 𝑣))
25	24	anbi2d 464	. . . . 5 ⊢ (𝑢 = ∅ → ((𝜑 ∧ 𝑢 ≠ 𝑣) ↔ (𝜑 ∧ ∅ ≠ 𝑣)))
26		neeq2 2428	. . . . . 6 ⊢ (𝑣 = 1o → (∅ ≠ 𝑣 ↔ ∅ ≠ 1o))
27	26	anbi2d 464	. . . . 5 ⊢ (𝑣 = 1o → ((𝜑 ∧ ∅ ≠ 𝑣) ↔ (𝜑 ∧ ∅ ≠ 1o)))
28	25, 27	opelopab2 4394	. . . 4 ⊢ ((∅ ∈ 2o ∧ 1o ∈ 2o) → (⟨∅, 1o⟩ ∈ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} ↔ (𝜑 ∧ ∅ ≠ 1o)))
29	22, 23, 28	mp2an 426	. . 3 ⊢ (⟨∅, 1o⟩ ∈ {⟨𝑢, 𝑣⟩ ∣ ((𝑢 ∈ 2o ∧ 𝑣 ∈ 2o) ∧ (𝜑 ∧ 𝑢 ≠ 𝑣))} ↔ (𝜑 ∧ ∅ ≠ 1o))
30	21, 29	sylib 122	. 2 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → (𝜑 ∧ ∅ ≠ 1o))
31	30	simpld 112	1 ⊢ ((∃*𝑟 𝑟 TAp 2o ∧ ¬ ¬ 𝜑) → 𝜑)

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 104   ↔ wb 105   = wceq 1398  ∃*wmo 2083   ∈ wcel 2205   ≠ wne 2414  Vcvv 2815  ∅c0 3512  ⟨cop 3697  {copab 4175  ωcom 4717   × cxp 4752  1_oc1o 6653  2_oc2o 6654   TAp wtap 7578

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-nul 4241  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-iinf 4715

This theorem depends on definitions:  df-bi 117  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-ral 2527  df-rex 2528  df-v 2817  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-nul 3513  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-int 3955  df-br 4115  df-opab 4177  df-tr 4214  df-iord 4492  df-on 4494  df-suc 4497  df-iom 4718  df-xp 4760  df-1o 6660  df-2o 6661  df-pap 7572  df-tap 7579

This theorem is referenced by:  2omotap  7589