Theorem ercgrg 27697

Description: The shape congruence relation is an equivalence relation. Statement 4.4 of [Schwabhauser] p. 35. (Contributed by Thierry Arnoux, 9-Apr-2019.)

Hypothesis

Ref	Expression
ercgrg.p	⊢ 𝑃 = (Base‘𝐺)

Assertion

Ref	Expression
ercgrg	⊢ (𝐺 ∈ TarskiG → (cgrG‘𝐺) Er (𝑃 ↑pm ℝ))

Proof of Theorem ercgrg

Dummy variables 𝑎 𝑏 𝑔 𝑖 𝑗 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		df-cgrg 27691	. . . 4 ⊢ cgrG = (𝑔 ∈ V ↦ {⟨𝑎, 𝑏⟩ ∣ ((𝑎 ∈ ((Base‘𝑔) ↑pm ℝ) ∧ 𝑏 ∈ ((Base‘𝑔) ↑pm ℝ)) ∧ (dom 𝑎 = dom 𝑏 ∧ ∀𝑖 ∈ dom 𝑎∀𝑗 ∈ dom 𝑎((𝑎‘𝑖)(dist‘𝑔)(𝑎‘𝑗)) = ((𝑏‘𝑖)(dist‘𝑔)(𝑏‘𝑗))))})
2	1	relmptopab 7640	. . 3 ⊢ Rel (cgrG‘𝐺)
3	2	a1i 11	. 2 ⊢ (𝐺 ∈ TarskiG → Rel (cgrG‘𝐺))
4		ercgrg.p	. . . . . . 7 ⊢ 𝑃 = (Base‘𝐺)
5		eqid 2732	. . . . . . 7 ⊢ (dist‘𝐺) = (dist‘𝐺)
6		eqid 2732	. . . . . . 7 ⊢ (cgrG‘𝐺) = (cgrG‘𝐺)
7	4, 5, 6	iscgrg 27692	. . . . . 6 ⊢ (𝐺 ∈ TarskiG → (𝑥(cgrG‘𝐺)𝑦 ↔ ((𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑦 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑥 = dom 𝑦 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗))))))
8	7	biimpa 477	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → ((𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑦 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑥 = dom 𝑦 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))))
9	8	simpld 495	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → (𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑦 ∈ (𝑃 ↑pm ℝ)))
10	9	ancomd 462	. . 3 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → (𝑦 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)))
11	8	simprd 496	. . . . . 6 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → (dom 𝑥 = dom 𝑦 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗))))
12	11	simpld 495	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → dom 𝑥 = dom 𝑦)
13	12	eqcomd 2738	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → dom 𝑦 = dom 𝑥)
14		simpl 483	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → (𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦))
15		simprl 769	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → 𝑖 ∈ dom 𝑦)
16	12	adantr 481	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → dom 𝑥 = dom 𝑦)
17	15, 16	eleqtrrd 2836	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → 𝑖 ∈ dom 𝑥)
18		simprr 771	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → 𝑗 ∈ dom 𝑦)
19	18, 16	eleqtrrd 2836	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → 𝑗 ∈ dom 𝑥)
20	11	simprd 496	. . . . . . . . 9 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))
21	20	r19.21bi 3248	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ 𝑖 ∈ dom 𝑥) → ∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))
22	21	r19.21bi 3248	. . . . . . 7 ⊢ ((((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ 𝑖 ∈ dom 𝑥) ∧ 𝑗 ∈ dom 𝑥) → ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))
23	14, 17, 19, 22	syl21anc 836	. . . . . 6 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))
24	23	eqcomd 2738	. . . . 5 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)))
25	24	ralrimivva 3200	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → ∀𝑖 ∈ dom 𝑦∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)))
26	13, 25	jca 512	. . 3 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → (dom 𝑦 = dom 𝑥 ∧ ∀𝑖 ∈ dom 𝑦∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗))))
27	4, 5, 6	iscgrg 27692	. . . 4 ⊢ (𝐺 ∈ TarskiG → (𝑦(cgrG‘𝐺)𝑥 ↔ ((𝑦 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑦 = dom 𝑥 ∧ ∀𝑖 ∈ dom 𝑦∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗))))))
28	27	adantr 481	. . 3 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → (𝑦(cgrG‘𝐺)𝑥 ↔ ((𝑦 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑦 = dom 𝑥 ∧ ∀𝑖 ∈ dom 𝑦∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗))))))
29	10, 26, 28	mpbir2and 711	. 2 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → 𝑦(cgrG‘𝐺)𝑥)
30	9	simpld 495	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → 𝑥 ∈ (𝑃 ↑pm ℝ))
31	30	adantrr 715	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → 𝑥 ∈ (𝑃 ↑pm ℝ))
32	4, 5, 6	iscgrg 27692	. . . . . . . 8 ⊢ (𝐺 ∈ TarskiG → (𝑦(cgrG‘𝐺)𝑧 ↔ ((𝑦 ∈ (𝑃 ↑pm ℝ) ∧ 𝑧 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑦 = dom 𝑧 ∧ ∀𝑖 ∈ dom 𝑦∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗))))))
33	32	biimpa 477	. . . . . . 7 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑦(cgrG‘𝐺)𝑧) → ((𝑦 ∈ (𝑃 ↑pm ℝ) ∧ 𝑧 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑦 = dom 𝑧 ∧ ∀𝑖 ∈ dom 𝑦∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗)))))
34	33	adantrl 714	. . . . . 6 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → ((𝑦 ∈ (𝑃 ↑pm ℝ) ∧ 𝑧 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑦 = dom 𝑧 ∧ ∀𝑖 ∈ dom 𝑦∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗)))))
35	34	simpld 495	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → (𝑦 ∈ (𝑃 ↑pm ℝ) ∧ 𝑧 ∈ (𝑃 ↑pm ℝ)))
36	35	simprd 496	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → 𝑧 ∈ (𝑃 ↑pm ℝ))
37	31, 36	jca 512	. . 3 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → (𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑧 ∈ (𝑃 ↑pm ℝ)))
38	8	adantrr 715	. . . . . . 7 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → ((𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑦 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑥 = dom 𝑦 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))))
39	38	simprd 496	. . . . . 6 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → (dom 𝑥 = dom 𝑦 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗))))
40	39	simpld 495	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → dom 𝑥 = dom 𝑦)
41	34	simprd 496	. . . . . 6 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → (dom 𝑦 = dom 𝑧 ∧ ∀𝑖 ∈ dom 𝑦∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗))))
42	41	simpld 495	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → dom 𝑦 = dom 𝑧)
43	40, 42	eqtrd 2772	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → dom 𝑥 = dom 𝑧)
44	39	simprd 496	. . . . . . . . 9 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))
45	44	r19.21bi 3248	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ 𝑖 ∈ dom 𝑥) → ∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))
46	45	r19.21bi 3248	. . . . . . 7 ⊢ ((((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ 𝑖 ∈ dom 𝑥) ∧ 𝑗 ∈ dom 𝑥) → ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))
47	46	anasss 467	. . . . . 6 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)))
48		simpl 483	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → (𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)))
49		simprl 769	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → 𝑖 ∈ dom 𝑥)
50	40	adantr 481	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → dom 𝑥 = dom 𝑦)
51	49, 50	eleqtrd 2835	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → 𝑖 ∈ dom 𝑦)
52		simprr 771	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → 𝑗 ∈ dom 𝑥)
53	52, 50	eleqtrd 2835	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → 𝑗 ∈ dom 𝑦)
54	41	simprd 496	. . . . . . . . 9 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → ∀𝑖 ∈ dom 𝑦∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗)))
55	54	r19.21bi 3248	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ 𝑖 ∈ dom 𝑦) → ∀𝑗 ∈ dom 𝑦((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗)))
56	55	r19.21bi 3248	. . . . . . 7 ⊢ ((((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ 𝑖 ∈ dom 𝑦) ∧ 𝑗 ∈ dom 𝑦) → ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗)))
57	48, 51, 53, 56	syl21anc 836	. . . . . 6 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → ((𝑦‘𝑖)(dist‘𝐺)(𝑦‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗)))
58	47, 57	eqtrd 2772	. . . . 5 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗)))
59	58	ralrimivva 3200	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗)))
60	43, 59	jca 512	. . 3 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → (dom 𝑥 = dom 𝑧 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗))))
61	4, 5, 6	iscgrg 27692	. . . 4 ⊢ (𝐺 ∈ TarskiG → (𝑥(cgrG‘𝐺)𝑧 ↔ ((𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑧 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑥 = dom 𝑧 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗))))))
62	61	adantr 481	. . 3 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → (𝑥(cgrG‘𝐺)𝑧 ↔ ((𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑧 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑥 = dom 𝑧 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑧‘𝑖)(dist‘𝐺)(𝑧‘𝑗))))))
63	37, 60, 62	mpbir2and 711	. 2 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → 𝑥(cgrG‘𝐺)𝑧)
64		pm4.24 564	. . . 4 ⊢ (𝑥 ∈ (𝑃 ↑pm ℝ) ↔ (𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)))
65		eqid 2732	. . . . . 6 ⊢ dom 𝑥 = dom 𝑥
66		eqidd 2733	. . . . . . 7 ⊢ ((𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥) → ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)))
67	66	rgen2 3197	. . . . . 6 ⊢ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗))
68	65, 67	pm3.2i 471	. . . . 5 ⊢ (dom 𝑥 = dom 𝑥 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)))
69	68	biantru 530	. . . 4 ⊢ ((𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)) ↔ ((𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑥 = dom 𝑥 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)))))
70	64, 69	bitri 274	. . 3 ⊢ (𝑥 ∈ (𝑃 ↑pm ℝ) ↔ ((𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑥 = dom 𝑥 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)))))
71	4, 5, 6	iscgrg 27692	. . 3 ⊢ (𝐺 ∈ TarskiG → (𝑥(cgrG‘𝐺)𝑥 ↔ ((𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)) ∧ (dom 𝑥 = dom 𝑥 ∧ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗))))))
72	70, 71	bitr4id 289	. 2 ⊢ (𝐺 ∈ TarskiG → (𝑥 ∈ (𝑃 ↑pm ℝ) ↔ 𝑥(cgrG‘𝐺)𝑥))
73	3, 29, 63, 72	iserd 8714	1 ⊢ (𝐺 ∈ TarskiG → (cgrG‘𝐺) Er (𝑃 ↑pm ℝ))

Syntax hints:   → wi 4   ↔ wb 205   ∧ wa 396   = wceq 1541   ∈ wcel 2106  ∀wral 3061  Vcvv 3474   class class class wbr 5142  dom cdm 5670  Rel wrel 5675  ‘cfv 6533  (class class class)co 7394   Er wer 8685   ↑_pm cpm 8806  ℝcr 11093  Basecbs 17128  distcds 17190  TarskiGcstrkg 27607  cgrGccgrg 27690

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  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 2703  ax-sep 5293  ax-nul 5300  ax-pow 5357  ax-pr 5421  ax-un 7709

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2534  df-eu 2563  df-clab 2710  df-cleq 2724  df-clel 2810  df-nfc 2885  df-ne 2941  df-ral 3062  df-rex 3071  df-rab 3433  df-v 3476  df-sbc 3775  df-csb 3891  df-dif 3948  df-un 3950  df-in 3952  df-ss 3962  df-nul 4320  df-if 4524  df-pw 4599  df-sn 4624  df-pr 4626  df-op 4630  df-uni 4903  df-br 5143  df-opab 5205  df-mpt 5226  df-id 5568  df-xp 5676  df-rel 5677  df-cnv 5678  df-co 5679  df-dm 5680  df-rn 5681  df-res 5682  df-ima 5683  df-iota 6485  df-fun 6535  df-fv 6541  df-ov 7397  df-er 8688  df-cgrg 27691

This theorem is referenced by: (None)