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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 28987 | . . 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 6543 (class class class)co 7424 〈“cs3 15001 Basecbs 17396 distcds 17446 TarskiGcstrkg 28898 Itvcitv 28904 cgrGccgrg 28982 |
| 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 5327 ax-pr 5391 ax-un 7755 ax-cnex 11263 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 |
| 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 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7882 df-1st 8005 df-2nd 8006 df-frecs 8306 df-wrecs 8337 df-recs 8386 df-rdg 8425 df-1o 8483 df-er 8724 df-pm 8857 df-en 8981 df-dom 8982 df-sdom 8983 df-fin 8984 df-card 10027 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-nn 12343 df-2 12412 df-3 12413 df-n0 12614 df-z 12701 df-uz 12973 df-fz 13647 df-fzo 13796 df-hash 14482 df-word 14666 df-concat 14723 df-s1 14750 df-s2 15007 df-s3 15008 df-trkgc 28919 df-trkgcb 28921 df-trkg 28924 df-cgrg 28983 |
| This theorem is used by: cgr3swap12 28995 cgr3swap23 28996 trgcgrcom 29000 cgr3tr 29001 tgbtwnxfr 29002 tgfscgr 29040 legov 29057 legtrd 29061 mirtrcgr 29164 midexlem 29173 ragcgr 29191 iscgra1 29326 cgrane1 29328 cgracgr 29334 cgrcgra 29337 cgratr 29339 ragsupplcgra 29354 cgrg3col4 29381 iscgrag 33061 cgrgptxfr 33062 |
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