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Theorem coltr 26593

Description: A transitivity law for colinearity. (Contributed by Thierry Arnoux, 27-Nov-2019.)

**Hypotheses**
Ref	Expression
tglineintmo.p	⊢ 𝑃 = (Base‘𝐺)
tglineintmo.i	⊢ 𝐼 = (Itv‘𝐺)
tglineintmo.l	⊢ 𝐿 = (LineG‘𝐺)
tglineintmo.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
coltr.a	⊢ (𝜑 → 𝐴 ∈ 𝑃)
coltr.b	⊢ (𝜑 → 𝐵 ∈ 𝑃)
coltr.c	⊢ (𝜑 → 𝐶 ∈ 𝑃)
coltr.d	⊢ (𝜑 → 𝐷 ∈ 𝑃)
coltr.1	⊢ (𝜑 → 𝐴 ∈ (𝐵𝐿𝐶))
coltr.2	⊢ (𝜑 → (𝐵 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))

**Assertion**
Ref	Expression
coltr	⊢ (𝜑 → (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))

**Proof of Theorem coltr**
Step	Hyp	Ref	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 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
5	4	adantr 484	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐺 ∈ TarskiG)
6		coltr.c	. . . . . . . . 9 ⊢ (𝜑 → 𝐶 ∈ 𝑃)
7	6	adantr 484	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐶 ∈ 𝑃)
8		coltr.d	. . . . . . . . 9 ⊢ (𝜑 → 𝐷 ∈ 𝑃)
9	8	adantr 484	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐷 ∈ 𝑃)
10		simpr 488	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐶 ≠ 𝐷)
11	1, 2, 3, 5, 7, 9, 10	tglinerflx1 26579	. . . . . . 7 ⊢ ((𝜑 ∧ 𝐶 ≠ 𝐷) → 𝐶 ∈ (𝐶𝐿𝐷))
12	11	ex 416	. . . . . 6 ⊢ (𝜑 → (𝐶 ≠ 𝐷 → 𝐶 ∈ (𝐶𝐿𝐷)))
13	12	necon1bd 2952	. . . . 5 ⊢ (𝜑 → (¬ 𝐶 ∈ (𝐶𝐿𝐷) → 𝐶 = 𝐷))
14	13	orrd 862	. . . 4 ⊢ (𝜑 → (𝐶 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))
15	14	adantr 484	. . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐶) → (𝐶 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))
16		simplr 769	. . . . . 6 ⊢ (((𝜑 ∧ 𝐴 = 𝐶) ∧ 𝐶 ∈ (𝐶𝐿𝐷)) → 𝐴 = 𝐶)
17		simpr 488	. . . . . 6 ⊢ (((𝜑 ∧ 𝐴 = 𝐶) ∧ 𝐶 ∈ (𝐶𝐿𝐷)) → 𝐶 ∈ (𝐶𝐿𝐷))
18	16, 17	eqeltrd 2833	. . . . 5 ⊢ (((𝜑 ∧ 𝐴 = 𝐶) ∧ 𝐶 ∈ (𝐶𝐿𝐷)) → 𝐴 ∈ (𝐶𝐿𝐷))
19	18	ex 416	. . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐶) → (𝐶 ∈ (𝐶𝐿𝐷) → 𝐴 ∈ (𝐶𝐿𝐷)))
20	19	orim1d 965	. . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐶) → ((𝐶 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷) → (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)))
21	15, 20	mpd 15	. 2 ⊢ ((𝜑 ∧ 𝐴 = 𝐶) → (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))
22		coltr.2	. . . 4 ⊢ (𝜑 → (𝐵 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))
23	22	ad2antrr 726	. . 3 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → (𝐵 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))
24	4	ad2antrr 726	. . . 4 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → 𝐺 ∈ TarskiG)
25		coltr.a	. . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑃)
26	25	ad2antrr 726	. . . 4 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → 𝐴 ∈ 𝑃)
27	6	ad2antrr 726	. . . 4 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → 𝐶 ∈ 𝑃)
28	8	ad2antrr 726	. . . 4 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → 𝐷 ∈ 𝑃)
29		coltr.b	. . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃)
30	29	ad2antrr 726	. . . 4 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → 𝐵 ∈ 𝑃)
31		simpr 488	. . . 4 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))
32	4	adantr 484	. . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐺 ∈ TarskiG)
33	25	adantr 484	. . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐴 ∈ 𝑃)
34	6	adantr 484	. . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐶 ∈ 𝑃)
35	29	adantr 484	. . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐵 ∈ 𝑃)
36		simpr 488	. . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐴 ≠ 𝐶)
37		coltr.1	. . . . . . . . . 10 ⊢ (𝜑 → 𝐴 ∈ (𝐵𝐿𝐶))
38	37	adantr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐴 ∈ (𝐵𝐿𝐶))
39	1, 3, 2, 32, 35, 34, 38	tglngne 26496	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐵 ≠ 𝐶)
40	39	necomd 2989	. . . . . . 7 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐶 ≠ 𝐵)
41	1, 2, 3, 32, 34, 35, 33, 40, 38	lncom 26568	. . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐴 ∈ (𝐶𝐿𝐵))
42	1, 2, 3, 32, 33, 34, 35, 36, 41, 40	lnrot2 26570	. . . . 5 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → 𝐵 ∈ (𝐴𝐿𝐶))
43	42	adantr 484	. . . 4 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → 𝐵 ∈ (𝐴𝐿𝐶))
44	1, 3, 2, 4, 29, 6, 37	tglngne 26496	. . . . 5 ⊢ (𝜑 → 𝐵 ≠ 𝐶)
45	44	ad2antrr 726	. . . 4 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → 𝐵 ≠ 𝐶)
46	1, 2, 3, 24, 26, 27, 28, 30, 31, 43, 45	ncolncol 26592	. . 3 ⊢ (((𝜑 ∧ 𝐴 ≠ 𝐶) ∧ ¬ (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷)) → ¬ (𝐵 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))
47	23, 46	condan 818	. 2 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐶) → (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))
48	21, 47	pm2.61dane 3021	1 ⊢ (𝜑 → (𝐴 ∈ (𝐶𝐿𝐷) ∨ 𝐶 = 𝐷))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 399 ∨ wo 846 = wceq 1542 ∈ wcel 2114 ≠ wne 2934 ‘cfv 6339 (class class class)co 7170 Basecbs 16586 TarskiGcstrkg 26376 Itvcitv 26382 LineGclng 26383

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2020 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2162 ax-12 2179 ax-ext 2710 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5232 ax-pr 5296 ax-un 7479 ax-cnex 10671 ax-resscn 10672 ax-1cn 10673 ax-icn 10674 ax-addcl 10675 ax-addrcl 10676 ax-mulcl 10677 ax-mulrcl 10678 ax-mulcom 10679 ax-addass 10680 ax-mulass 10681 ax-distr 10682 ax-i2m1 10683 ax-1ne0 10684 ax-1rid 10685 ax-rnegex 10686 ax-rrecex 10687 ax-cnre 10688 ax-pre-lttri 10689 ax-pre-lttrn 10690 ax-pre-ltadd 10691 ax-pre-mulgt0 10692

This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2075 df-mo 2540 df-eu 2570 df-clab 2717 df-cleq 2730 df-clel 2811 df-nfc 2881 df-ne 2935 df-nel 3039 df-ral 3058 df-rex 3059 df-reu 3060 df-rab 3062 df-v 3400 df-sbc 3681 df-csb 3791 df-dif 3846 df-un 3848 df-in 3850 df-ss 3860 df-pss 3862 df-nul 4212 df-if 4415 df-pw 4490 df-sn 4517 df-pr 4519 df-tp 4521 df-op 4523 df-uni 4797 df-int 4837 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5429 df-eprel 5434 df-po 5442 df-so 5443 df-fr 5483 df-we 5485 df-xp 5531 df-rel 5532 df-cnv 5533 df-co 5534 df-dm 5535 df-rn 5536 df-res 5537 df-ima 5538 df-pred 6129 df-ord 6175 df-on 6176 df-lim 6177 df-suc 6178 df-iota 6297 df-fun 6341 df-fn 6342 df-f 6343 df-f1 6344 df-fo 6345 df-f1o 6346 df-fv 6347 df-riota 7127 df-ov 7173 df-oprab 7174 df-mpo 7175 df-om 7600 df-1st 7714 df-2nd 7715 df-wrecs 7976 df-recs 8037 df-rdg 8075 df-1o 8131 df-oadd 8135 df-er 8320 df-pm 8440 df-en 8556 df-dom 8557 df-sdom 8558 df-fin 8559 df-dju 9403 df-card 9441 df-pnf 10755 df-mnf 10756 df-xr 10757 df-ltxr 10758 df-le 10759 df-sub 10950 df-neg 10951 df-nn 11717 df-2 11779 df-3 11780 df-n0 11977 df-xnn0 12049 df-z 12063 df-uz 12325 df-fz 12982 df-fzo 13125 df-hash 13783 df-word 13956 df-concat 14012 df-s1 14039 df-s2 14299 df-s3 14300 df-trkgc 26394 df-trkgb 26395 df-trkgcb 26396 df-trkg 26399 df-cgrg 26457

This theorem is referenced by: hlpasch 26702 colhp 26716

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