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| Mirrors > Home > MPE Home > Th. List > cgr3simp1 | Structured version Visualization version GIF version | ||
| Description: Deduce segment congruence from a triangle congruence. This is a portion of the theorem that corresponding parts of congruent triangles are congruent (CPCTC), focusing on a specific segment. (Contributed by Thierry Arnoux, 27-Apr-2019.) |
| Ref | Expression |
|---|---|
| tgcgrxfr.p | ⊢ 𝑃 = (Base‘𝐺) |
| tgcgrxfr.m | ⊢ − = (dist‘𝐺) |
| tgcgrxfr.i | ⊢ 𝐼 = (Itv‘𝐺) |
| tgcgrxfr.r | ⊢ ∼ = (cgrG‘𝐺) |
| tgcgrxfr.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| tgbtwnxfr.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| tgbtwnxfr.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| tgbtwnxfr.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| tgbtwnxfr.d | ⊢ (𝜑 → 𝐷 ∈ 𝑃) |
| tgbtwnxfr.e | ⊢ (𝜑 → 𝐸 ∈ 𝑃) |
| tgbtwnxfr.f | ⊢ (𝜑 → 𝐹 ∈ 𝑃) |
| tgbtwnxfr.2 | ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∼ 〈“𝐷𝐸𝐹”〉) |
| Ref | Expression |
|---|---|
| cgr3simp1 | ⊢ (𝜑 → (𝐴 − 𝐵) = (𝐷 − 𝐸)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tgbtwnxfr.2 | . . 3 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉 ∼ 〈“𝐷𝐸𝐹”〉) | |
| 2 | tgcgrxfr.p | . . . 4 ⊢ 𝑃 = (Base‘𝐺) | |
| 3 | tgcgrxfr.m | . . . 4 ⊢ − = (dist‘𝐺) | |
| 4 | tgcgrxfr.r | . . . 4 ⊢ ∼ = (cgrG‘𝐺) | |
| 5 | tgcgrxfr.g | . . . 4 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 6 | tgbtwnxfr.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 7 | tgbtwnxfr.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 8 | tgbtwnxfr.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 9 | tgbtwnxfr.d | . . . 4 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
| 10 | tgbtwnxfr.e | . . . 4 ⊢ (𝜑 → 𝐸 ∈ 𝑃) | |
| 11 | tgbtwnxfr.f | . . . 4 ⊢ (𝜑 → 𝐹 ∈ 𝑃) | |
| 12 | 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 | trgcgrg 28978 | . . 3 ⊢ (𝜑 → (〈“𝐴𝐵𝐶”〉 ∼ 〈“𝐷𝐸𝐹”〉 ↔ ((𝐴 − 𝐵) = (𝐷 − 𝐸) ∧ (𝐵 − 𝐶) = (𝐸 − 𝐹) ∧ (𝐶 − 𝐴) = (𝐹 − 𝐷)))) |
| 13 | 1, 12 | mpbid 235 | . 2 ⊢ (𝜑 → ((𝐴 − 𝐵) = (𝐷 − 𝐸) ∧ (𝐵 − 𝐶) = (𝐸 − 𝐹) ∧ (𝐶 − 𝐴) = (𝐹 − 𝐷))) |
| 14 | 13 | simp1d 1160 | 1 ⊢ (𝜑 → (𝐴 − 𝐵) = (𝐷 − 𝐸)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 = wceq 1569 ∈ wcel 2144 class class class wbr 5102 ‘cfv 6538 (class class class)co 7420 〈“cs3 14993 Basecbs 17387 distcds 17437 TarskiGcstrkg 28889 Itvcitv 28895 cgrGccgrg 28973 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3899 df-un 3901 df-in 3903 df-ss 3914 df-pss 4034 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-1o 8476 df-er 8717 df-pm 8850 df-en 8974 df-dom 8975 df-sdom 8976 df-fin 8977 df-card 10020 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-nn 12336 df-2 12405 df-3 12406 df-n0 12607 df-z 12694 df-uz 12966 df-fz 13640 df-fzo 13789 df-hash 14475 df-word 14659 df-concat 14716 df-s1 14743 df-s2 14999 df-s3 15000 df-trkgc 28910 df-trkgcb 28912 df-trkg 28915 df-cgrg 28974 |
| This theorem is used by: cgr3swap12 28986 cgr3swap23 28987 trgcgrcom 28991 cgr3tr 28992 tgbtwnxfr 28993 tgfscgr 29031 legov 29048 legtrd 29052 mirtrcgr 29155 midexlem 29164 ragcgr 29182 iscgra1 29317 cgrane1 29319 cgracgr 29325 cgrcgra 29328 cgratr 29330 ragsupplcgra 29345 cgrg3col4 29372 |
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