Theorem ercgrg 28860

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 28854	. . . 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 7667	. . 3 ⊢ Rel (cgrG‘𝐺)
3	2	a1i 11	. 2 ⊢ (𝐺 ∈ TarskiG → Rel (cgrG‘𝐺))
4		ercgrg.p	. . . . . . 7 ⊢ 𝑃 = (Base‘𝐺)
5		eqid 2762	. . . . . . 7 ⊢ (dist‘𝐺) = (dist‘𝐺)
6		eqid 2762	. . . . . . 7 ⊢ (cgrG‘𝐺) = (cgrG‘𝐺)
7	4, 5, 6	iscgrg 28855	. . . . . 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 482	. . . . 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 500	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → (𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑦 ∈ (𝑃 ↑pm ℝ)))
10	9	ancomd 467	. . 3 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → (𝑦 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)))
11	8	simprd 501	. . . . . 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 500	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → dom 𝑥 = dom 𝑦)
13	12	eqcomd 2768	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → dom 𝑦 = dom 𝑥)
14		simpl 488	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → (𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦))
15		simprl 783	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → 𝑖 ∈ dom 𝑦)
16	12	adantr 486	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → dom 𝑥 = dom 𝑦)
17	15, 16	eleqtrrd 2865	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → 𝑖 ∈ dom 𝑥)
18		simprr 785	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → 𝑗 ∈ dom 𝑦)
19	18, 16	eleqtrrd 2865	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) ∧ (𝑖 ∈ dom 𝑦 ∧ 𝑗 ∈ dom 𝑦)) → 𝑗 ∈ dom 𝑥)
20	11	simprd 501	. . . . . . . . 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 3256	. . . . . . . 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 3256	. . . . . . 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 851	. . . . . 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 2768	. . . . 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 3207	. . . 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 521	. . 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 28855	. . . 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 486	. . 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 726	. 2 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → 𝑦(cgrG‘𝐺)𝑥)
30	9	simpld 500	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ 𝑥(cgrG‘𝐺)𝑦) → 𝑥 ∈ (𝑃 ↑pm ℝ))
31	30	adantrr 730	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → 𝑥 ∈ (𝑃 ↑pm ℝ))
32	4, 5, 6	iscgrg 28855	. . . . . . . 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 482	. . . . . . 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 729	. . . . . 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 500	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → (𝑦 ∈ (𝑃 ↑pm ℝ) ∧ 𝑧 ∈ (𝑃 ↑pm ℝ)))
36	35	simprd 501	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → 𝑧 ∈ (𝑃 ↑pm ℝ))
37	31, 36	jca 521	. . 3 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → (𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑧 ∈ (𝑃 ↑pm ℝ)))
38	8	adantrr 730	. . . . . . 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 501	. . . . . 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 500	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → dom 𝑥 = dom 𝑦)
41	34	simprd 501	. . . . . 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 500	. . . . 5 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → dom 𝑦 = dom 𝑧)
43	40, 42	eqtrd 2797	. . . 4 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → dom 𝑥 = dom 𝑧)
44	39	simprd 501	. . . . . . . . 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 3256	. . . . . . . 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 3256	. . . . . . 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 472	. . . . . 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 488	. . . . . . 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 783	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → 𝑖 ∈ dom 𝑥)
50	40	adantr 486	. . . . . . . 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 2864	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → 𝑖 ∈ dom 𝑦)
52		simprr 785	. . . . . . . 8 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → 𝑗 ∈ dom 𝑥)
53	52, 50	eleqtrd 2864	. . . . . . 7 ⊢ (((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) ∧ (𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥)) → 𝑗 ∈ dom 𝑦)
54	41	simprd 501	. . . . . . . . 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 3256	. . . . . . . 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 3256	. . . . . . 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 851	. . . . . 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 2797	. . . . 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 3207	. . . 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 521	. . 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 28855	. . . 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 486	. . 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 726	. 2 ⊢ ((𝐺 ∈ TarskiG ∧ (𝑥(cgrG‘𝐺)𝑦 ∧ 𝑦(cgrG‘𝐺)𝑧)) → 𝑥(cgrG‘𝐺)𝑧)
64		pm4.24 574	. . . 4 ⊢ (𝑥 ∈ (𝑃 ↑pm ℝ) ↔ (𝑥 ∈ (𝑃 ↑pm ℝ) ∧ 𝑥 ∈ (𝑃 ↑pm ℝ)))
65		eqid 2762	. . . . . 6 ⊢ dom 𝑥 = dom 𝑥
66		eqidd 2763	. . . . . . 7 ⊢ ((𝑖 ∈ dom 𝑥 ∧ 𝑗 ∈ dom 𝑥) → ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)))
67	66	rgen2 3204	. . . . . 6 ⊢ ∀𝑖 ∈ dom 𝑥∀𝑗 ∈ dom 𝑥((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗)) = ((𝑥‘𝑖)(dist‘𝐺)(𝑥‘𝑗))
68	65, 67	pm3.2i 476	. . . . 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 539	. . . 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 278	. . 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 28855	. . 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 293	. 2 ⊢ (𝐺 ∈ TarskiG → (𝑥 ∈ (𝑃 ↑pm ℝ) ↔ 𝑥(cgrG‘𝐺)𝑥))
73	3, 29, 63, 72	iserd 8726	1 ⊢ (𝐺 ∈ TarskiG → (cgrG‘𝐺) Er (𝑃 ↑pm ℝ))

This proof depends on syntax axioms:   → wi 4   ↔ wb 209   ∧ wa 401   = wceq 1570   ∈ wcel 2145  ∀wral 3078  Vcvv 3453   class class class wbr 5107  dom cdm 5659  Rel wrel 5664  ‘cfv 6537  (class class class)co 7416   Er wer 8696   ↑_pm cpm 8830  ℝcr 11126  Basecbs 17305  distcds 17355  TarskiGcstrkg 28769  cgrGccgrg 28853

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 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2215  ax-ext 2734  ax-sep 5255  ax-nul 5267  ax-pow 5334  ax-pr 5402  ax-un 7739

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 2566  df-eu 2596  df-clab 2741  df-cleq 2754  df-clel 2837  df-nfc 2911  df-ne 2958  df-ral 3079  df-rex 3089  df-rab 3415  df-v 3455  df-sbc 3743  df-csb 3851  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4283  df-if 4486  df-pw 4562  df-sn 4588  df-pr 4590  df-op 4594  df-uni 4871  df-br 5108  df-opab 5172  df-mpt 5191  df-id 5554  df-xp 5665  df-rel 5666  df-cnv 5667  df-co 5668  df-dm 5669  df-rn 5670  df-res 5671  df-ima 5672  df-iota 6493  df-fun 6539  df-fv 6545  df-ov 7419  df-er 8699  df-cgrg 28854

This theorem is used by: (None)