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| Mirrors > Home > MPE Home > Th. List > Mathboxes > tgextan | Structured version Visualization version GIF version | ||
| Description: tgexta 33108's strictness can be used -- a remote interior angle congruent to the exterior angle is contradictory, so anything follows. This is the shape tgaasexc 33111 consumes: that branch holds an angle congruence and must close on it, which the non-strict ≤∠-only form of tgexta 33108 could never let it do. (Contributed by JAG, 12-Aug-2026.) |
| Ref | Expression |
|---|---|
| tgextan.p | ⊢ 𝑃 = (Base‘𝐺) |
| tgextan.m | ⊢ − = (dist‘𝐺) |
| tgextan.i | ⊢ 𝐼 = (Itv‘𝐺) |
| tgextan.l | ⊢ 𝐿 = (LineG‘𝐺) |
| tgextan.k | ⊢ 𝐾 = (hlG‘𝐺) |
| tgextan.s | ⊢ ≤ = (≤∠‘𝐺) |
| tgextan.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| tgextan.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| tgextan.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| tgextan.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| tgextan.d | ⊢ (𝜑 → 𝐷 ∈ 𝑃) |
| tgextan.1 | ⊢ (𝜑 → 𝐶 ∈ (𝐵𝐼𝐷)) |
| tgextan.2 | ⊢ (𝜑 → ¬ (𝐴 ∈ (𝐵𝐿𝐶) ∨ 𝐵 = 𝐶)) |
| tgextan.3 | ⊢ (𝜑 → 𝐶 ≠ 𝐷) |
| tgextan.cgr | ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐴𝐶𝐷”〉) |
| Ref | Expression |
|---|---|
| tgextan | ⊢ (𝜑 → 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tgextan.cgr | . 2 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐴𝐶𝐷”〉) | |
| 2 | tgextan.p | . . . . 5 ⊢ 𝑃 = (Base‘𝐺) | |
| 3 | tgextan.m | . . . . 5 ⊢ − = (dist‘𝐺) | |
| 4 | tgextan.i | . . . . 5 ⊢ 𝐼 = (Itv‘𝐺) | |
| 5 | tgextan.l | . . . . 5 ⊢ 𝐿 = (LineG‘𝐺) | |
| 6 | tgextan.k | . . . . 5 ⊢ 𝐾 = (hlG‘𝐺) | |
| 7 | tgextan.s | . . . . 5 ⊢ ≤ = (≤∠‘𝐺) | |
| 8 | tgextan.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 9 | tgextan.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 10 | tgextan.b | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 11 | tgextan.c | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 12 | tgextan.d | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
| 13 | tgextan.1 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ (𝐵𝐼𝐷)) | |
| 14 | tgextan.2 | . . . . 5 ⊢ (𝜑 → ¬ (𝐴 ∈ (𝐵𝐿𝐶) ∨ 𝐵 = 𝐶)) | |
| 15 | tgextan.3 | . . . . 5 ⊢ (𝜑 → 𝐶 ≠ 𝐷) | |
| 16 | 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 | tgexta 33108 | . . . 4 ⊢ (𝜑 → ((〈“𝐵𝐴𝐶”〉 ≤ 〈“𝐴𝐶𝐷”〉 ∧ ¬ 〈“𝐵𝐴𝐶”〉(cgrA‘𝐺)〈“𝐴𝐶𝐷”〉) ∧ (〈“𝐴𝐵𝐶”〉 ≤ 〈“𝐴𝐶𝐷”〉 ∧ ¬ 〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐴𝐶𝐷”〉))) |
| 17 | 16 | simprd 501 | . . 3 ⊢ (𝜑 → (〈“𝐴𝐵𝐶”〉 ≤ 〈“𝐴𝐶𝐷”〉 ∧ ¬ 〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐴𝐶𝐷”〉)) |
| 18 | 17 | simprd 501 | . 2 ⊢ (𝜑 → ¬ 〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐴𝐶𝐷”〉) |
| 19 | 1, 18 | pm2.21dd 198 | 1 ⊢ (𝜑 → 𝜓) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 ∨ wo 861 = wceq 1570 ∈ wcel 2147 ≠ wne 2959 class class class wbr 5106 ‘cfv 6558 (class class class)co 7443 〈“cs3 15021 Basecbs 17416 distcds 17466 TarskiGcstrkg 28919 Itvcitv 28925 LineGclng 28926 hlGchlg 29093 cgrAccgra 29344 ≤∠cleag 29385 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-1st 8025 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-1o 8504 df-oadd 8508 df-er 8745 df-map 8877 df-pm 8878 df-en 9002 df-dom 9003 df-sdom 9004 df-fin 9005 df-dju 10009 df-card 10047 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-nn 12363 df-2 12432 df-3 12433 df-4 12434 df-n0 12634 df-xnn0 12707 df-z 12721 df-uz 12993 df-fz 13667 df-fzo 13816 df-hash 14502 df-word 14686 df-concat 14743 df-s1 14770 df-s2 15027 df-s3 15028 df-s4 15029 df-trkgc 28940 df-trkgb 28941 df-trkgcb 28942 df-trkgld 28944 df-trkg 28945 df-cgrg 29004 df-ismt 29026 df-leg 29076 df-hlg 29094 df-mir 29155 df-rag 29199 df-perpg 29201 df-hpg 29266 df-mid 29309 df-lmi 29310 df-cgra 29345 df-inag 29386 df-leag 29395 |
| This theorem is used by: tgaasexc 33111 |
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