mirbtwnb - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > mirbtwnb		Structured version Visualization version GIF version

Theorem mirbtwnb 28178

Description: Point inversion preserves betweenness. Theorem 7.15 of [Schwabhauser] p. 51. (Contributed by Thierry Arnoux, 9-Jun-2019.)

**Hypotheses**
Ref	Expression
mirval.p	⊢ 𝑃 = (Base‘𝐺)
mirval.d	⊢ − = (dist‘𝐺)
mirval.i	⊢ 𝐼 = (Itv‘𝐺)
mirval.l	⊢ 𝐿 = (LineG‘𝐺)
mirval.s	⊢ 𝑆 = (pInvG‘𝐺)
mirval.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
mirval.a	⊢ (𝜑 → 𝐴 ∈ 𝑃)
mirfv.m	⊢ 𝑀 = (𝑆‘𝐴)
miriso.1	⊢ (𝜑 → 𝑋 ∈ 𝑃)
miriso.2	⊢ (𝜑 → 𝑌 ∈ 𝑃)
mirbtwnb.z	⊢ (𝜑 → 𝑍 ∈ 𝑃)

**Assertion**
Ref	Expression
mirbtwnb	⊢ (𝜑 → (𝑌 ∈ (𝑋𝐼𝑍) ↔ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))))

**Proof of Theorem mirbtwnb**
Step	Hyp	Ref	Expression
1		mirval.p	. . 3 ⊢ 𝑃 = (Base‘𝐺)
2		mirval.d	. . 3 ⊢ − = (dist‘𝐺)
3		mirval.i	. . 3 ⊢ 𝐼 = (Itv‘𝐺)
4		mirval.l	. . 3 ⊢ 𝐿 = (LineG‘𝐺)
5		mirval.s	. . 3 ⊢ 𝑆 = (pInvG‘𝐺)
6		mirval.g	. . . 4 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
7	6	adantr 481	. . 3 ⊢ ((𝜑 ∧ 𝑌 ∈ (𝑋𝐼𝑍)) → 𝐺 ∈ TarskiG)
8		mirval.a	. . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑃)
9	8	adantr 481	. . 3 ⊢ ((𝜑 ∧ 𝑌 ∈ (𝑋𝐼𝑍)) → 𝐴 ∈ 𝑃)
10		mirfv.m	. . 3 ⊢ 𝑀 = (𝑆‘𝐴)
11		miriso.1	. . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝑃)
12	11	adantr 481	. . 3 ⊢ ((𝜑 ∧ 𝑌 ∈ (𝑋𝐼𝑍)) → 𝑋 ∈ 𝑃)
13		miriso.2	. . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝑃)
14	13	adantr 481	. . 3 ⊢ ((𝜑 ∧ 𝑌 ∈ (𝑋𝐼𝑍)) → 𝑌 ∈ 𝑃)
15		mirbtwnb.z	. . . 4 ⊢ (𝜑 → 𝑍 ∈ 𝑃)
16	15	adantr 481	. . 3 ⊢ ((𝜑 ∧ 𝑌 ∈ (𝑋𝐼𝑍)) → 𝑍 ∈ 𝑃)
17		simpr 485	. . 3 ⊢ ((𝜑 ∧ 𝑌 ∈ (𝑋𝐼𝑍)) → 𝑌 ∈ (𝑋𝐼𝑍))
18	1, 2, 3, 4, 5, 7, 9, 10, 12, 14, 16, 17	mirbtwni 28177	. 2 ⊢ ((𝜑 ∧ 𝑌 ∈ (𝑋𝐼𝑍)) → (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍)))
19	6	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → 𝐺 ∈ TarskiG)
20	8	adantr 481	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → 𝐴 ∈ 𝑃)
21	1, 2, 3, 4, 5, 19, 20, 10	mirf 28166	. . . . 5 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → 𝑀:𝑃⟶𝑃)
22	11	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → 𝑋 ∈ 𝑃)
23	21, 22	ffvelcdmd 7087	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → (𝑀‘𝑋) ∈ 𝑃)
24	13	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → 𝑌 ∈ 𝑃)
25	21, 24	ffvelcdmd 7087	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → (𝑀‘𝑌) ∈ 𝑃)
26	15	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → 𝑍 ∈ 𝑃)
27	21, 26	ffvelcdmd 7087	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → (𝑀‘𝑍) ∈ 𝑃)
28		simpr 485	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍)))
29	1, 2, 3, 4, 5, 19, 20, 10, 23, 25, 27, 28	mirbtwni 28177	. . 3 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → (𝑀‘(𝑀‘𝑌)) ∈ ((𝑀‘(𝑀‘𝑋))𝐼(𝑀‘(𝑀‘𝑍))))
30	1, 2, 3, 4, 5, 6, 8, 10, 13	mirmir 28168	. . . . 5 ⊢ (𝜑 → (𝑀‘(𝑀‘𝑌)) = 𝑌)
31	1, 2, 3, 4, 5, 6, 8, 10, 11	mirmir 28168	. . . . . 6 ⊢ (𝜑 → (𝑀‘(𝑀‘𝑋)) = 𝑋)
32	1, 2, 3, 4, 5, 6, 8, 10, 15	mirmir 28168	. . . . . 6 ⊢ (𝜑 → (𝑀‘(𝑀‘𝑍)) = 𝑍)
33	31, 32	oveq12d 7429	. . . . 5 ⊢ (𝜑 → ((𝑀‘(𝑀‘𝑋))𝐼(𝑀‘(𝑀‘𝑍))) = (𝑋𝐼𝑍))
34	30, 33	eleq12d 2827	. . . 4 ⊢ (𝜑 → ((𝑀‘(𝑀‘𝑌)) ∈ ((𝑀‘(𝑀‘𝑋))𝐼(𝑀‘(𝑀‘𝑍))) ↔ 𝑌 ∈ (𝑋𝐼𝑍)))
35	34	adantr 481	. . 3 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → ((𝑀‘(𝑀‘𝑌)) ∈ ((𝑀‘(𝑀‘𝑋))𝐼(𝑀‘(𝑀‘𝑍))) ↔ 𝑌 ∈ (𝑋𝐼𝑍)))
36	29, 35	mpbid 231	. 2 ⊢ ((𝜑 ∧ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) → 𝑌 ∈ (𝑋𝐼𝑍))
37	18, 36	impbida 799	1 ⊢ (𝜑 → (𝑌 ∈ (𝑋𝐼𝑍) ↔ (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ‘cfv 6543 (class class class)co 7411 Basecbs 17148 distcds 17210 TarskiGcstrkg 27933 Itvcitv 27939 LineGclng 27940 pInvGcmir 28158

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-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7727 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 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-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-tp 4633 df-op 4635 df-uni 4909 df-int 4951 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7367 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7858 df-1st 7977 df-2nd 7978 df-frecs 8268 df-wrecs 8299 df-recs 8373 df-rdg 8412 df-1o 8468 df-oadd 8472 df-er 8705 df-pm 8825 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-dju 9898 df-card 9936 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-nn 12217 df-2 12279 df-3 12280 df-n0 12477 df-xnn0 12549 df-z 12563 df-uz 12827 df-fz 13489 df-fzo 13632 df-hash 14295 df-word 14469 df-concat 14525 df-s1 14550 df-s2 14803 df-s3 14804 df-trkgc 27954 df-trkgb 27955 df-trkgcb 27956 df-trkg 27959 df-cgrg 28017 df-mir 28159

This theorem is referenced by: mirbtwnhl 28186

W3C validator