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Theorem colline 28625
Description: Three points are colinear iff there is a line through all three of them. Theorem 6.23 of [Schwabhauser] p. 46. (Contributed by Thierry Arnoux, 28-May-2019.)
Hypotheses
Ref Expression
tglineintmo.p 𝑃 = (Base‘𝐺)
tglineintmo.i 𝐼 = (Itv‘𝐺)
tglineintmo.l 𝐿 = (LineG‘𝐺)
tglineintmo.g (𝜑𝐺 ∈ TarskiG)
colline.1 (𝜑𝑋𝑃)
colline.2 (𝜑𝑌𝑃)
colline.3 (𝜑𝑍𝑃)
colline.4 (𝜑 → 2 ≤ (♯‘𝑃))
Assertion
Ref Expression
colline (𝜑 → ((𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍) ↔ ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎)))
Distinct variable groups:   𝐿,𝑎   𝑋,𝑎   𝑌,𝑎   𝑍,𝑎   𝜑,𝑎
Allowed substitution hints:   𝑃(𝑎)   𝐺(𝑎)   𝐼(𝑎)

Proof of Theorem colline
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 tglineintmo.p . . . . . . . 8 𝑃 = (Base‘𝐺)
2 tglineintmo.i . . . . . . . 8 𝐼 = (Itv‘𝐺)
3 tglineintmo.l . . . . . . . 8 𝐿 = (LineG‘𝐺)
4 tglineintmo.g . . . . . . . . 9 (𝜑𝐺 ∈ TarskiG)
54ad4antr 732 . . . . . . . 8 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → 𝐺 ∈ TarskiG)
6 colline.1 . . . . . . . . 9 (𝜑𝑋𝑃)
76ad4antr 732 . . . . . . . 8 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → 𝑋𝑃)
8 simplr 768 . . . . . . . 8 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → 𝑥𝑃)
9 simpr 484 . . . . . . . 8 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → 𝑋𝑥)
101, 2, 3, 5, 7, 8, 9tgelrnln 28606 . . . . . . 7 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → (𝑋𝐿𝑥) ∈ ran 𝐿)
111, 2, 3, 5, 7, 8, 9tglinerflx1 28609 . . . . . . 7 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → 𝑋 ∈ (𝑋𝐿𝑥))
12 simp-4r 783 . . . . . . . 8 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → 𝑌 = 𝑍)
13 simpllr 775 . . . . . . . . 9 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → 𝑋 = 𝑍)
1413, 11eqeltrrd 2832 . . . . . . . 8 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → 𝑍 ∈ (𝑋𝐿𝑥))
1512, 14eqeltrd 2831 . . . . . . 7 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → 𝑌 ∈ (𝑋𝐿𝑥))
16 eleq2 2820 . . . . . . . . 9 (𝑎 = (𝑋𝐿𝑥) → (𝑋𝑎𝑋 ∈ (𝑋𝐿𝑥)))
17 eleq2 2820 . . . . . . . . 9 (𝑎 = (𝑋𝐿𝑥) → (𝑌𝑎𝑌 ∈ (𝑋𝐿𝑥)))
18 eleq2 2820 . . . . . . . . 9 (𝑎 = (𝑋𝐿𝑥) → (𝑍𝑎𝑍 ∈ (𝑋𝐿𝑥)))
1916, 17, 183anbi123d 1438 . . . . . . . 8 (𝑎 = (𝑋𝐿𝑥) → ((𝑋𝑎𝑌𝑎𝑍𝑎) ↔ (𝑋 ∈ (𝑋𝐿𝑥) ∧ 𝑌 ∈ (𝑋𝐿𝑥) ∧ 𝑍 ∈ (𝑋𝐿𝑥))))
2019rspcev 3577 . . . . . . 7 (((𝑋𝐿𝑥) ∈ ran 𝐿 ∧ (𝑋 ∈ (𝑋𝐿𝑥) ∧ 𝑌 ∈ (𝑋𝐿𝑥) ∧ 𝑍 ∈ (𝑋𝐿𝑥))) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
2110, 11, 15, 14, 20syl13anc 1374 . . . . . 6 (((((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) ∧ 𝑥𝑃) ∧ 𝑋𝑥) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
22 eqid 2731 . . . . . . . 8 (dist‘𝐺) = (dist‘𝐺)
23 colline.4 . . . . . . . 8 (𝜑 → 2 ≤ (♯‘𝑃))
241, 22, 2, 4, 23, 6tglowdim1i 28477 . . . . . . 7 (𝜑 → ∃𝑥𝑃 𝑋𝑥)
2524ad2antrr 726 . . . . . 6 (((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) → ∃𝑥𝑃 𝑋𝑥)
2621, 25r19.29a 3140 . . . . 5 (((𝜑𝑌 = 𝑍) ∧ 𝑋 = 𝑍) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
274ad2antrr 726 . . . . . . 7 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → 𝐺 ∈ TarskiG)
286ad2antrr 726 . . . . . . 7 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → 𝑋𝑃)
29 colline.3 . . . . . . . 8 (𝜑𝑍𝑃)
3029ad2antrr 726 . . . . . . 7 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → 𝑍𝑃)
31 simpr 484 . . . . . . 7 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → 𝑋𝑍)
321, 2, 3, 27, 28, 30, 31tgelrnln 28606 . . . . . 6 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → (𝑋𝐿𝑍) ∈ ran 𝐿)
331, 2, 3, 27, 28, 30, 31tglinerflx1 28609 . . . . . 6 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → 𝑋 ∈ (𝑋𝐿𝑍))
34 simplr 768 . . . . . . 7 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → 𝑌 = 𝑍)
351, 2, 3, 27, 28, 30, 31tglinerflx2 28610 . . . . . . 7 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → 𝑍 ∈ (𝑋𝐿𝑍))
3634, 35eqeltrd 2831 . . . . . 6 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → 𝑌 ∈ (𝑋𝐿𝑍))
37 eleq2 2820 . . . . . . . 8 (𝑎 = (𝑋𝐿𝑍) → (𝑋𝑎𝑋 ∈ (𝑋𝐿𝑍)))
38 eleq2 2820 . . . . . . . 8 (𝑎 = (𝑋𝐿𝑍) → (𝑌𝑎𝑌 ∈ (𝑋𝐿𝑍)))
39 eleq2 2820 . . . . . . . 8 (𝑎 = (𝑋𝐿𝑍) → (𝑍𝑎𝑍 ∈ (𝑋𝐿𝑍)))
4037, 38, 393anbi123d 1438 . . . . . . 7 (𝑎 = (𝑋𝐿𝑍) → ((𝑋𝑎𝑌𝑎𝑍𝑎) ↔ (𝑋 ∈ (𝑋𝐿𝑍) ∧ 𝑌 ∈ (𝑋𝐿𝑍) ∧ 𝑍 ∈ (𝑋𝐿𝑍))))
4140rspcev 3577 . . . . . 6 (((𝑋𝐿𝑍) ∈ ran 𝐿 ∧ (𝑋 ∈ (𝑋𝐿𝑍) ∧ 𝑌 ∈ (𝑋𝐿𝑍) ∧ 𝑍 ∈ (𝑋𝐿𝑍))) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
4232, 33, 36, 35, 41syl13anc 1374 . . . . 5 (((𝜑𝑌 = 𝑍) ∧ 𝑋𝑍) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
4326, 42pm2.61dane 3015 . . . 4 ((𝜑𝑌 = 𝑍) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
4443adantlr 715 . . 3 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌 = 𝑍) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
45 simpll 766 . . . . 5 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌𝑍) → 𝜑)
46 simpr 484 . . . . . . 7 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌𝑍) → 𝑌𝑍)
4746neneqd 2933 . . . . . 6 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌𝑍) → ¬ 𝑌 = 𝑍)
48 simplr 768 . . . . . 6 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌𝑍) → (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍))
49 orel2 890 . . . . . 6 𝑌 = 𝑍 → ((𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍) → 𝑋 ∈ (𝑌𝐿𝑍)))
5047, 48, 49sylc 65 . . . . 5 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌𝑍) → 𝑋 ∈ (𝑌𝐿𝑍))
514ad2antrr 726 . . . . . 6 (((𝜑𝑋 ∈ (𝑌𝐿𝑍)) ∧ 𝑌𝑍) → 𝐺 ∈ TarskiG)
52 colline.2 . . . . . . 7 (𝜑𝑌𝑃)
5352ad2antrr 726 . . . . . 6 (((𝜑𝑋 ∈ (𝑌𝐿𝑍)) ∧ 𝑌𝑍) → 𝑌𝑃)
5429ad2antrr 726 . . . . . 6 (((𝜑𝑋 ∈ (𝑌𝐿𝑍)) ∧ 𝑌𝑍) → 𝑍𝑃)
55 simpr 484 . . . . . 6 (((𝜑𝑋 ∈ (𝑌𝐿𝑍)) ∧ 𝑌𝑍) → 𝑌𝑍)
561, 2, 3, 51, 53, 54, 55tgelrnln 28606 . . . . 5 (((𝜑𝑋 ∈ (𝑌𝐿𝑍)) ∧ 𝑌𝑍) → (𝑌𝐿𝑍) ∈ ran 𝐿)
5745, 50, 46, 56syl21anc 837 . . . 4 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌𝑍) → (𝑌𝐿𝑍) ∈ ran 𝐿)
581, 2, 3, 51, 53, 54, 55tglinerflx1 28609 . . . . 5 (((𝜑𝑋 ∈ (𝑌𝐿𝑍)) ∧ 𝑌𝑍) → 𝑌 ∈ (𝑌𝐿𝑍))
5945, 50, 46, 58syl21anc 837 . . . 4 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌𝑍) → 𝑌 ∈ (𝑌𝐿𝑍))
601, 2, 3, 51, 53, 54, 55tglinerflx2 28610 . . . . 5 (((𝜑𝑋 ∈ (𝑌𝐿𝑍)) ∧ 𝑌𝑍) → 𝑍 ∈ (𝑌𝐿𝑍))
6145, 50, 46, 60syl21anc 837 . . . 4 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌𝑍) → 𝑍 ∈ (𝑌𝐿𝑍))
62 eleq2 2820 . . . . . 6 (𝑎 = (𝑌𝐿𝑍) → (𝑋𝑎𝑋 ∈ (𝑌𝐿𝑍)))
63 eleq2 2820 . . . . . 6 (𝑎 = (𝑌𝐿𝑍) → (𝑌𝑎𝑌 ∈ (𝑌𝐿𝑍)))
64 eleq2 2820 . . . . . 6 (𝑎 = (𝑌𝐿𝑍) → (𝑍𝑎𝑍 ∈ (𝑌𝐿𝑍)))
6562, 63, 643anbi123d 1438 . . . . 5 (𝑎 = (𝑌𝐿𝑍) → ((𝑋𝑎𝑌𝑎𝑍𝑎) ↔ (𝑋 ∈ (𝑌𝐿𝑍) ∧ 𝑌 ∈ (𝑌𝐿𝑍) ∧ 𝑍 ∈ (𝑌𝐿𝑍))))
6665rspcev 3577 . . . 4 (((𝑌𝐿𝑍) ∈ ran 𝐿 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∧ 𝑌 ∈ (𝑌𝐿𝑍) ∧ 𝑍 ∈ (𝑌𝐿𝑍))) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
6757, 50, 59, 61, 66syl13anc 1374 . . 3 (((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) ∧ 𝑌𝑍) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
6844, 67pm2.61dane 3015 . 2 ((𝜑 ∧ (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍)) → ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎))
69 df-ne 2929 . . . . . 6 (𝑌𝑍 ↔ ¬ 𝑌 = 𝑍)
70 simplr1 1216 . . . . . . . 8 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝑋𝑎)
714ad3antrrr 730 . . . . . . . . 9 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝐺 ∈ TarskiG)
7252ad3antrrr 730 . . . . . . . . 9 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝑌𝑃)
7329ad3antrrr 730 . . . . . . . . 9 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝑍𝑃)
74 simpr 484 . . . . . . . . 9 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝑌𝑍)
75 simpllr 775 . . . . . . . . 9 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝑎 ∈ ran 𝐿)
76 simplr2 1217 . . . . . . . . 9 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝑌𝑎)
77 simplr3 1218 . . . . . . . . 9 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝑍𝑎)
781, 2, 3, 71, 72, 73, 74, 74, 75, 76, 77tglinethru 28612 . . . . . . . 8 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝑎 = (𝑌𝐿𝑍))
7970, 78eleqtrd 2833 . . . . . . 7 ((((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) ∧ 𝑌𝑍) → 𝑋 ∈ (𝑌𝐿𝑍))
8079ex 412 . . . . . 6 (((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) → (𝑌𝑍𝑋 ∈ (𝑌𝐿𝑍)))
8169, 80biimtrrid 243 . . . . 5 (((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) → (¬ 𝑌 = 𝑍𝑋 ∈ (𝑌𝐿𝑍)))
8281orrd 863 . . . 4 (((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) → (𝑌 = 𝑍𝑋 ∈ (𝑌𝐿𝑍)))
8382orcomd 871 . . 3 (((𝜑𝑎 ∈ ran 𝐿) ∧ (𝑋𝑎𝑌𝑎𝑍𝑎)) → (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍))
8483r19.29an 3136 . 2 ((𝜑 ∧ ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎)) → (𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍))
8568, 84impbida 800 1 (𝜑 → ((𝑋 ∈ (𝑌𝐿𝑍) ∨ 𝑌 = 𝑍) ↔ ∃𝑎 ∈ ran 𝐿(𝑋𝑎𝑌𝑎𝑍𝑎)))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 206  wa 395  wo 847  w3a 1086   = wceq 1541  wcel 2111  wne 2928  wrex 3056   class class class wbr 5091  ran crn 5617  cfv 6481  (class class class)co 7346  cle 11144  2c2 12177  chash 14234  Basecbs 17117  distcds 17167  TarskiGcstrkg 28403  Itvcitv 28409  LineGclng 28410
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-rep 5217  ax-sep 5234  ax-nul 5244  ax-pow 5303  ax-pr 5370  ax-un 7668  ax-cnex 11059  ax-resscn 11060  ax-1cn 11061  ax-icn 11062  ax-addcl 11063  ax-addrcl 11064  ax-mulcl 11065  ax-mulrcl 11066  ax-mulcom 11067  ax-addass 11068  ax-mulass 11069  ax-distr 11070  ax-i2m1 11071  ax-1ne0 11072  ax-1rid 11073  ax-rnegex 11074  ax-rrecex 11075  ax-cnre 11076  ax-pre-lttri 11077  ax-pre-lttrn 11078  ax-pre-ltadd 11079  ax-pre-mulgt0 11080
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-nel 3033  df-ral 3048  df-rex 3057  df-reu 3347  df-rab 3396  df-v 3438  df-sbc 3742  df-csb 3851  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-pss 3922  df-nul 4284  df-if 4476  df-pw 4552  df-sn 4577  df-pr 4579  df-tp 4581  df-op 4583  df-uni 4860  df-int 4898  df-iun 4943  df-br 5092  df-opab 5154  df-mpt 5173  df-tr 5199  df-id 5511  df-eprel 5516  df-po 5524  df-so 5525  df-fr 5569  df-we 5571  df-xp 5622  df-rel 5623  df-cnv 5624  df-co 5625  df-dm 5626  df-rn 5627  df-res 5628  df-ima 5629  df-pred 6248  df-ord 6309  df-on 6310  df-lim 6311  df-suc 6312  df-iota 6437  df-fun 6483  df-fn 6484  df-f 6485  df-f1 6486  df-fo 6487  df-f1o 6488  df-fv 6489  df-riota 7303  df-ov 7349  df-oprab 7350  df-mpo 7351  df-om 7797  df-1st 7921  df-2nd 7922  df-frecs 8211  df-wrecs 8242  df-recs 8291  df-rdg 8329  df-1o 8385  df-oadd 8389  df-er 8622  df-pm 8753  df-en 8870  df-dom 8871  df-sdom 8872  df-fin 8873  df-dju 9791  df-card 9829  df-pnf 11145  df-mnf 11146  df-xr 11147  df-ltxr 11148  df-le 11149  df-sub 11343  df-neg 11344  df-nn 12123  df-2 12185  df-3 12186  df-n0 12379  df-xnn0 12452  df-z 12466  df-uz 12730  df-fz 13405  df-fzo 13552  df-hash 14235  df-word 14418  df-concat 14475  df-s1 14501  df-s2 14752  df-s3 14753  df-trkgc 28424  df-trkgb 28425  df-trkgcb 28426  df-trkg 28429  df-cgrg 28487
This theorem is referenced by: (None)
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