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Theorem ishpg 29072

Description: Value of the half-plane relation for a given line 𝐷. (Contributed by Thierry Arnoux, 4-Mar-2020.)

**Hypotheses**
Ref	Expression
ishpg.p	⊢ 𝑃 = (Base‘𝐺)
ishpg.i	⊢ 𝐼 = (Itv‘𝐺)
ishpg.l	⊢ 𝐿 = (LineG‘𝐺)
ishpg.o	⊢ 𝑂 = {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑏 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑏))}
ishpg.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
ishpg.d	⊢ (𝜑 → 𝐷 ∈ ran 𝐿)

**Assertion**
Ref	Expression
ishpg	⊢ (𝜑 → ((hpG‘𝐺)‘𝐷) = {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (𝑎𝑂𝑐 ∧ 𝑏𝑂𝑐)})

Distinct variable groups: 𝐷,𝑎,𝑏,𝑐,𝑡 𝐺,𝑎,𝑏 𝐼,𝑎,𝑏,𝑐,𝑡 𝑃,𝑎,𝑏,𝑐,𝑡 Allowed substitution hints: 𝜑(𝑡, 𝑎, 𝑏, 𝑐) 𝐺(𝑡, 𝑐) 𝐿(𝑡, 𝑎, 𝑏, 𝑐) 𝑂(𝑡, 𝑎, 𝑏, 𝑐)

Proof of Theorem ishpg Dummy variables 𝑑 𝑒 𝑓 𝑔 𝑖 𝑝 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ishpg.g	. . . 4 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
2		elex 3478	. . . 4 ⊢ (𝐺 ∈ TarskiG → 𝐺 ∈ V)
3		fveq2 6885	. . . . . . . 8 ⊢ (𝑔 = 𝐺 → (LineG‘𝑔) = (LineG‘𝐺))
4		ishpg.l	. . . . . . . 8 ⊢ 𝐿 = (LineG‘𝐺)
5	3, 4	eqtr4di 2818	. . . . . . 7 ⊢ (𝑔 = 𝐺 → (LineG‘𝑔) = 𝐿)
6	5	rneqd 5930	. . . . . 6 ⊢ (𝑔 = 𝐺 → ran (LineG‘𝑔) = ran 𝐿)
7		ishpg.p	. . . . . . . 8 ⊢ 𝑃 = (Base‘𝐺)
8		ishpg.i	. . . . . . . 8 ⊢ 𝐼 = (Itv‘𝐺)
9		simpl 488	. . . . . . . . 9 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → 𝑝 = 𝑃)
10	9	difeq1d 4080	. . . . . . . . . . . . 13 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (𝑝 ∖ 𝑑) = (𝑃 ∖ 𝑑))
11	10	eleq2d 2851	. . . . . . . . . . . 12 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (𝑎 ∈ (𝑝 ∖ 𝑑) ↔ 𝑎 ∈ (𝑃 ∖ 𝑑)))
12	10	eleq2d 2851	. . . . . . . . . . . 12 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (𝑐 ∈ (𝑝 ∖ 𝑑) ↔ 𝑐 ∈ (𝑃 ∖ 𝑑)))
13	11, 12	anbi12d 644	. . . . . . . . . . 11 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → ((𝑎 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ↔ (𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑))))
14		simpr 490	. . . . . . . . . . . . . 14 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → 𝑖 = 𝐼)
15	14	oveqd 7433	. . . . . . . . . . . . 13 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (𝑎𝑖𝑐) = (𝑎𝐼𝑐))
16	15	eleq2d 2851	. . . . . . . . . . . 12 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (𝑡 ∈ (𝑎𝑖𝑐) ↔ 𝑡 ∈ (𝑎𝐼𝑐)))
17	16	rexbidv 3191	. . . . . . . . . . 11 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝑖𝑐) ↔ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)))
18	13, 17	anbi12d 644	. . . . . . . . . 10 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (((𝑎 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝑖𝑐)) ↔ ((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐))))
19	10	eleq2d 2851	. . . . . . . . . . . 12 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (𝑏 ∈ (𝑝 ∖ 𝑑) ↔ 𝑏 ∈ (𝑃 ∖ 𝑑)))
20	19, 12	anbi12d 644	. . . . . . . . . . 11 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → ((𝑏 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ↔ (𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑))))
21	14	oveqd 7433	. . . . . . . . . . . . 13 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (𝑏𝑖𝑐) = (𝑏𝐼𝑐))
22	21	eleq2d 2851	. . . . . . . . . . . 12 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (𝑡 ∈ (𝑏𝑖𝑐) ↔ 𝑡 ∈ (𝑏𝐼𝑐)))
23	22	rexbidv 3191	. . . . . . . . . . 11 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝑖𝑐) ↔ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))
24	20, 23	anbi12d 644	. . . . . . . . . 10 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (((𝑏 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝑖𝑐)) ↔ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐))))
25	18, 24	anbi12d 644	. . . . . . . . 9 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → ((((𝑎 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝑖𝑐)) ∧ ((𝑏 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝑖𝑐))) ↔ (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))))
26	9, 25	rexeqbidv 3341	. . . . . . . 8 ⊢ ((𝑝 = 𝑃 ∧ 𝑖 = 𝐼) → (∃𝑐 ∈ 𝑝 (((𝑎 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝑖𝑐)) ∧ ((𝑏 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝑖𝑐))) ↔ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))))
27	7, 8, 26	sbcie2s 17239	. . . . . . 7 ⊢ (𝑔 = 𝐺 → ([(Base‘𝑔) / 𝑝][(Itv‘𝑔) / 𝑖]∃𝑐 ∈ 𝑝 (((𝑎 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝑖𝑐)) ∧ ((𝑏 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝑖𝑐))) ↔ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))))
28	27	opabbidv 5179	. . . . . 6 ⊢ (𝑔 = 𝐺 → {⟨𝑎, 𝑏⟩ ∣ [(Base‘𝑔) / 𝑝][(Itv‘𝑔) / 𝑖]∃𝑐 ∈ 𝑝 (((𝑎 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝑖𝑐)) ∧ ((𝑏 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝑖𝑐)))} = {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))})
29	6, 28	mpteq12dv 5200	. . . . 5 ⊢ (𝑔 = 𝐺 → (𝑑 ∈ ran (LineG‘𝑔) ↦ {⟨𝑎, 𝑏⟩ ∣ [(Base‘𝑔) / 𝑝][(Itv‘𝑔) / 𝑖]∃𝑐 ∈ 𝑝 (((𝑎 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝑖𝑐)) ∧ ((𝑏 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝑖𝑐)))}) = (𝑑 ∈ ran 𝐿 ↦ {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))}))
30		df-hpg 29071	. . . . 5 ⊢ hpG = (𝑔 ∈ V ↦ (𝑑 ∈ ran (LineG‘𝑔) ↦ {⟨𝑎, 𝑏⟩ ∣ [(Base‘𝑔) / 𝑝][(Itv‘𝑔) / 𝑖]∃𝑐 ∈ 𝑝 (((𝑎 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝑖𝑐)) ∧ ((𝑏 ∈ (𝑝 ∖ 𝑑) ∧ 𝑐 ∈ (𝑝 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝑖𝑐)))}))
31	4	fvexi 6899	. . . . . . 7 ⊢ 𝐿 ∈ V
32	31	rnex 7909	. . . . . 6 ⊢ ran 𝐿 ∈ V
33	32	mptex 7225	. . . . 5 ⊢ (𝑑 ∈ ran 𝐿 ↦ {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))}) ∈ V
34	29, 30, 33	fvmpt 6993	. . . 4 ⊢ (𝐺 ∈ V → (hpG‘𝐺) = (𝑑 ∈ ran 𝐿 ↦ {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))}))
35	1, 2, 34	3syl 19	. . 3 ⊢ (𝜑 → (hpG‘𝐺) = (𝑑 ∈ ran 𝐿 ↦ {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))}))
36		difeq2 4075	. . . . . . . . . 10 ⊢ (𝑑 = 𝐷 → (𝑃 ∖ 𝑑) = (𝑃 ∖ 𝐷))
37	36	eleq2d 2851	. . . . . . . . 9 ⊢ (𝑑 = 𝐷 → (𝑎 ∈ (𝑃 ∖ 𝑑) ↔ 𝑎 ∈ (𝑃 ∖ 𝐷)))
38	36	eleq2d 2851	. . . . . . . . 9 ⊢ (𝑑 = 𝐷 → (𝑐 ∈ (𝑃 ∖ 𝑑) ↔ 𝑐 ∈ (𝑃 ∖ 𝐷)))
39	37, 38	anbi12d 644	. . . . . . . 8 ⊢ (𝑑 = 𝐷 → ((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ↔ (𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷))))
40		rexeq 3321	. . . . . . . 8 ⊢ (𝑑 = 𝐷 → (∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐) ↔ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)))
41	39, 40	anbi12d 644	. . . . . . 7 ⊢ (𝑑 = 𝐷 → (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ↔ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐))))
42	36	eleq2d 2851	. . . . . . . . 9 ⊢ (𝑑 = 𝐷 → (𝑏 ∈ (𝑃 ∖ 𝑑) ↔ 𝑏 ∈ (𝑃 ∖ 𝐷)))
43	42, 38	anbi12d 644	. . . . . . . 8 ⊢ (𝑑 = 𝐷 → ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ↔ (𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷))))
44		rexeq 3321	. . . . . . . 8 ⊢ (𝑑 = 𝐷 → (∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐) ↔ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))
45	43, 44	anbi12d 644	. . . . . . 7 ⊢ (𝑑 = 𝐷 → (((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)) ↔ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐))))
46	41, 45	anbi12d 644	. . . . . 6 ⊢ (𝑑 = 𝐷 → ((((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐))) ↔ (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))))
47	46	rexbidv 3191	. . . . 5 ⊢ (𝑑 = 𝐷 → (∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐))) ↔ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))))
48	47	opabbidv 5179	. . . 4 ⊢ (𝑑 = 𝐷 → {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))} = {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))})
49	48	adantl 487	. . 3 ⊢ ((𝜑 ∧ 𝑑 = 𝐷) → {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝑑) ∧ 𝑐 ∈ (𝑃 ∖ 𝑑)) ∧ ∃𝑡 ∈ 𝑑 𝑡 ∈ (𝑏𝐼𝑐)))} = {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))})
50		ishpg.d	. . 3 ⊢ (𝜑 → 𝐷 ∈ ran 𝐿)
51		df-xp 5669	. . . . . 6 ⊢ (𝑃 × 𝑃) = {⟨𝑎, 𝑏⟩ ∣ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)}
52	7	fvexi 6899	. . . . . . 7 ⊢ 𝑃 ∈ V
53	52, 52	xpex 7754	. . . . . 6 ⊢ (𝑃 × 𝑃) ∈ V
54	51, 53	eqeltrri 2862	. . . . 5 ⊢ {⟨𝑎, 𝑏⟩ ∣ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)} ∈ V
55		eldifi 4085	. . . . . . . . . 10 ⊢ (𝑎 ∈ (𝑃 ∖ 𝐷) → 𝑎 ∈ 𝑃)
56		eldifi 4085	. . . . . . . . . 10 ⊢ (𝑏 ∈ (𝑃 ∖ 𝐷) → 𝑏 ∈ 𝑃)
57	55, 56	anim12i 625	. . . . . . . . 9 ⊢ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑏 ∈ (𝑃 ∖ 𝐷)) → (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃))
58	57	ad2ant2r 760	. . . . . . . 8 ⊢ (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ (𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷))) → (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃))
59	58	ad2ant2r 760	. . . . . . 7 ⊢ ((((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐))) → (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃))
60	59	rexlimivw 3164	. . . . . 6 ⊢ (∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐))) → (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃))
61	60	ssopab2i 5537	. . . . 5 ⊢ {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))} ⊆ {⟨𝑎, 𝑏⟩ ∣ (𝑎 ∈ 𝑃 ∧ 𝑏 ∈ 𝑃)}
62	54, 61	ssexi 5295	. . . 4 ⊢ {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))} ∈ V
63	62	a1i 11	. . 3 ⊢ (𝜑 → {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))} ∈ V)
64	35, 49, 50, 63	fvmptd 7001	. 2 ⊢ (𝜑 → ((hpG‘𝐺)‘𝐷) = {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))})
65		vex 3461	. . . . . 6 ⊢ 𝑎 ∈ V
66		vex 3461	. . . . . 6 ⊢ 𝑐 ∈ V
67		eleq1w 2848	. . . . . . . 8 ⊢ (𝑒 = 𝑎 → (𝑒 ∈ (𝑃 ∖ 𝐷) ↔ 𝑎 ∈ (𝑃 ∖ 𝐷)))
68	67	anbi1d 643	. . . . . . 7 ⊢ (𝑒 = 𝑎 → ((𝑒 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ↔ (𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷))))
69		oveq1 7423	. . . . . . . . 9 ⊢ (𝑒 = 𝑎 → (𝑒𝐼𝑓) = (𝑎𝐼𝑓))
70	69	eleq2d 2851	. . . . . . . 8 ⊢ (𝑒 = 𝑎 → (𝑡 ∈ (𝑒𝐼𝑓) ↔ 𝑡 ∈ (𝑎𝐼𝑓)))
71	70	rexbidv 3191	. . . . . . 7 ⊢ (𝑒 = 𝑎 → (∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑒𝐼𝑓) ↔ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑓)))
72	68, 71	anbi12d 644	. . . . . 6 ⊢ (𝑒 = 𝑎 → (((𝑒 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑒𝐼𝑓)) ↔ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑓))))
73		eleq1w 2848	. . . . . . . 8 ⊢ (𝑓 = 𝑐 → (𝑓 ∈ (𝑃 ∖ 𝐷) ↔ 𝑐 ∈ (𝑃 ∖ 𝐷)))
74	73	anbi2d 642	. . . . . . 7 ⊢ (𝑓 = 𝑐 → ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ↔ (𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷))))
75		oveq2 7424	. . . . . . . . 9 ⊢ (𝑓 = 𝑐 → (𝑎𝐼𝑓) = (𝑎𝐼𝑐))
76	75	eleq2d 2851	. . . . . . . 8 ⊢ (𝑓 = 𝑐 → (𝑡 ∈ (𝑎𝐼𝑓) ↔ 𝑡 ∈ (𝑎𝐼𝑐)))
77	76	rexbidv 3191	. . . . . . 7 ⊢ (𝑓 = 𝑐 → (∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑓) ↔ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)))
78	74, 77	anbi12d 644	. . . . . 6 ⊢ (𝑓 = 𝑐 → (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑓)) ↔ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐))))
79		ishpg.o	. . . . . . 7 ⊢ 𝑂 = {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑏 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑏))}
80		simpl 488	. . . . . . . . . . 11 ⊢ ((𝑎 = 𝑒 ∧ 𝑏 = 𝑓) → 𝑎 = 𝑒)
81	80	eleq1d 2850	. . . . . . . . . 10 ⊢ ((𝑎 = 𝑒 ∧ 𝑏 = 𝑓) → (𝑎 ∈ (𝑃 ∖ 𝐷) ↔ 𝑒 ∈ (𝑃 ∖ 𝐷)))
82		simpr 490	. . . . . . . . . . 11 ⊢ ((𝑎 = 𝑒 ∧ 𝑏 = 𝑓) → 𝑏 = 𝑓)
83	82	eleq1d 2850	. . . . . . . . . 10 ⊢ ((𝑎 = 𝑒 ∧ 𝑏 = 𝑓) → (𝑏 ∈ (𝑃 ∖ 𝐷) ↔ 𝑓 ∈ (𝑃 ∖ 𝐷)))
84	81, 83	anbi12d 644	. . . . . . . . 9 ⊢ ((𝑎 = 𝑒 ∧ 𝑏 = 𝑓) → ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑏 ∈ (𝑃 ∖ 𝐷)) ↔ (𝑒 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷))))
85		oveq12 7425	. . . . . . . . . . 11 ⊢ ((𝑎 = 𝑒 ∧ 𝑏 = 𝑓) → (𝑎𝐼𝑏) = (𝑒𝐼𝑓))
86	85	eleq2d 2851	. . . . . . . . . 10 ⊢ ((𝑎 = 𝑒 ∧ 𝑏 = 𝑓) → (𝑡 ∈ (𝑎𝐼𝑏) ↔ 𝑡 ∈ (𝑒𝐼𝑓)))
87	86	rexbidv 3191	. . . . . . . . 9 ⊢ ((𝑎 = 𝑒 ∧ 𝑏 = 𝑓) → (∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑏) ↔ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑒𝐼𝑓)))
88	84, 87	anbi12d 644	. . . . . . . 8 ⊢ ((𝑎 = 𝑒 ∧ 𝑏 = 𝑓) → (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑏 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑏)) ↔ ((𝑒 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑒𝐼𝑓))))
89	88	cbvopabv 5186	. . . . . . 7 ⊢ {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑏 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑏))} = {⟨𝑒, 𝑓⟩ ∣ ((𝑒 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑒𝐼𝑓))}
90	79, 89	eqtri 2788	. . . . . 6 ⊢ 𝑂 = {⟨𝑒, 𝑓⟩ ∣ ((𝑒 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑒𝐼𝑓))}
91	65, 66, 72, 78, 90	brab 5530	. . . . 5 ⊢ (𝑎𝑂𝑐 ↔ ((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)))
92		vex 3461	. . . . . 6 ⊢ 𝑏 ∈ V
93		eleq1w 2848	. . . . . . . 8 ⊢ (𝑒 = 𝑏 → (𝑒 ∈ (𝑃 ∖ 𝐷) ↔ 𝑏 ∈ (𝑃 ∖ 𝐷)))
94	93	anbi1d 643	. . . . . . 7 ⊢ (𝑒 = 𝑏 → ((𝑒 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ↔ (𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷))))
95		oveq1 7423	. . . . . . . . 9 ⊢ (𝑒 = 𝑏 → (𝑒𝐼𝑓) = (𝑏𝐼𝑓))
96	95	eleq2d 2851	. . . . . . . 8 ⊢ (𝑒 = 𝑏 → (𝑡 ∈ (𝑒𝐼𝑓) ↔ 𝑡 ∈ (𝑏𝐼𝑓)))
97	96	rexbidv 3191	. . . . . . 7 ⊢ (𝑒 = 𝑏 → (∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑒𝐼𝑓) ↔ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑓)))
98	94, 97	anbi12d 644	. . . . . 6 ⊢ (𝑒 = 𝑏 → (((𝑒 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑒𝐼𝑓)) ↔ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑓))))
99	73	anbi2d 642	. . . . . . 7 ⊢ (𝑓 = 𝑐 → ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ↔ (𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷))))
100		oveq2 7424	. . . . . . . . 9 ⊢ (𝑓 = 𝑐 → (𝑏𝐼𝑓) = (𝑏𝐼𝑐))
101	100	eleq2d 2851	. . . . . . . 8 ⊢ (𝑓 = 𝑐 → (𝑡 ∈ (𝑏𝐼𝑓) ↔ 𝑡 ∈ (𝑏𝐼𝑐)))
102	101	rexbidv 3191	. . . . . . 7 ⊢ (𝑓 = 𝑐 → (∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑓) ↔ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))
103	99, 102	anbi12d 644	. . . . . 6 ⊢ (𝑓 = 𝑐 → (((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑓 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑓)) ↔ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐))))
104	92, 66, 98, 103, 90	brab 5530	. . . . 5 ⊢ (𝑏𝑂𝑐 ↔ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))
105	91, 104	anbi12i 640	. . . 4 ⊢ ((𝑎𝑂𝑐 ∧ 𝑏𝑂𝑐) ↔ (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐))))
106	105	rexbii 3114	. . 3 ⊢ (∃𝑐 ∈ 𝑃 (𝑎𝑂𝑐 ∧ 𝑏𝑂𝑐) ↔ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐))))
107	106	opabbii 5180	. 2 ⊢ {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (𝑎𝑂𝑐 ∧ 𝑏𝑂𝑐)} = {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (((𝑎 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑎𝐼𝑐)) ∧ ((𝑏 ∈ (𝑃 ∖ 𝐷) ∧ 𝑐 ∈ (𝑃 ∖ 𝐷)) ∧ ∃𝑡 ∈ 𝐷 𝑡 ∈ (𝑏𝐼𝑐)))}
108	64, 107	eqtr4di 2818	1 ⊢ (𝜑 → ((hpG‘𝐺)‘𝐷) = {⟨𝑎, 𝑏⟩ ∣ ∃𝑐 ∈ 𝑃 (𝑎𝑂𝑐 ∧ 𝑏𝑂𝑐)})

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 ∃wrex 3091 Vcvv 3457 [wsbc 3746 ∖ cdif 3903 class class class wbr 5111 {copab 5175 ↦ cmpt 5194 × cxp 5661 ran crn 5664 ‘cfv 6540 (class class class)co 7416 Basecbs 17287 TarskiGcstrkg 28727 Itvcitv 28733 LineGclng 28734 hpGchpg 29070

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7419 df-hpg 29071

This theorem is used by: hpgbr 29073

W3C validator