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| Mirrors > Home > MPE Home > Th. List > iscgrad | Structured version Visualization version GIF version | ||
| Description: Sufficient conditions for angle congruence, deduction version. (Contributed by Thierry Arnoux, 1-Aug-2020.) |
| Ref | Expression |
|---|---|
| iscgra.p | ⊢ 𝑃 = (Base‘𝐺) |
| iscgra.i | ⊢ 𝐼 = (Itv‘𝐺) |
| iscgra.k | ⊢ 𝐾 = (hlG‘𝐺) |
| iscgra.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| iscgra.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| iscgra.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| iscgra.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| iscgra.d | ⊢ (𝜑 → 𝐷 ∈ 𝑃) |
| iscgra.e | ⊢ (𝜑 → 𝐸 ∈ 𝑃) |
| iscgra.f | ⊢ (𝜑 → 𝐹 ∈ 𝑃) |
| iscgrad.x | ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
| iscgrad.y | ⊢ (𝜑 → 𝑌 ∈ 𝑃) |
| iscgrad.1 | ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑋𝐸𝑌”〉) |
| iscgrad.2 | ⊢ (𝜑 → 𝑋(𝐾‘𝐸)𝐷) |
| iscgrad.3 | ⊢ (𝜑 → 𝑌(𝐾‘𝐸)𝐹) |
| Ref | Expression |
|---|---|
| iscgrad | ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐷𝐸𝐹”〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iscgrad.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑃) | |
| 2 | iscgrad.y | . . 3 ⊢ (𝜑 → 𝑌 ∈ 𝑃) | |
| 3 | iscgrad.1 | . . 3 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑋𝐸𝑌”〉) | |
| 4 | iscgrad.2 | . . 3 ⊢ (𝜑 → 𝑋(𝐾‘𝐸)𝐷) | |
| 5 | iscgrad.3 | . . 3 ⊢ (𝜑 → 𝑌(𝐾‘𝐸)𝐹) | |
| 6 | id 22 | . . . . . . 7 ⊢ (𝑥 = 𝑋 → 𝑥 = 𝑋) | |
| 7 | eqidd 2738 | . . . . . . 7 ⊢ (𝑥 = 𝑋 → 𝐸 = 𝐸) | |
| 8 | eqidd 2738 | . . . . . . 7 ⊢ (𝑥 = 𝑋 → 𝑦 = 𝑦) | |
| 9 | 6, 7, 8 | s3eqd 14817 | . . . . . 6 ⊢ (𝑥 = 𝑋 → 〈“𝑥𝐸𝑦”〉 = 〈“𝑋𝐸𝑦”〉) |
| 10 | 9 | breq2d 5098 | . . . . 5 ⊢ (𝑥 = 𝑋 → (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑥𝐸𝑦”〉 ↔ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑋𝐸𝑦”〉)) |
| 11 | breq1 5089 | . . . . 5 ⊢ (𝑥 = 𝑋 → (𝑥(𝐾‘𝐸)𝐷 ↔ 𝑋(𝐾‘𝐸)𝐷)) | |
| 12 | 10, 11 | 3anbi12d 1440 | . . . 4 ⊢ (𝑥 = 𝑋 → ((〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑥𝐸𝑦”〉 ∧ 𝑥(𝐾‘𝐸)𝐷 ∧ 𝑦(𝐾‘𝐸)𝐹) ↔ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑋𝐸𝑦”〉 ∧ 𝑋(𝐾‘𝐸)𝐷 ∧ 𝑦(𝐾‘𝐸)𝐹))) |
| 13 | eqidd 2738 | . . . . . . 7 ⊢ (𝑦 = 𝑌 → 𝑋 = 𝑋) | |
| 14 | eqidd 2738 | . . . . . . 7 ⊢ (𝑦 = 𝑌 → 𝐸 = 𝐸) | |
| 15 | id 22 | . . . . . . 7 ⊢ (𝑦 = 𝑌 → 𝑦 = 𝑌) | |
| 16 | 13, 14, 15 | s3eqd 14817 | . . . . . 6 ⊢ (𝑦 = 𝑌 → 〈“𝑋𝐸𝑦”〉 = 〈“𝑋𝐸𝑌”〉) |
| 17 | 16 | breq2d 5098 | . . . . 5 ⊢ (𝑦 = 𝑌 → (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑋𝐸𝑦”〉 ↔ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑋𝐸𝑌”〉)) |
| 18 | breq1 5089 | . . . . 5 ⊢ (𝑦 = 𝑌 → (𝑦(𝐾‘𝐸)𝐹 ↔ 𝑌(𝐾‘𝐸)𝐹)) | |
| 19 | 17, 18 | 3anbi13d 1441 | . . . 4 ⊢ (𝑦 = 𝑌 → ((〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑋𝐸𝑦”〉 ∧ 𝑋(𝐾‘𝐸)𝐷 ∧ 𝑦(𝐾‘𝐸)𝐹) ↔ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑋𝐸𝑌”〉 ∧ 𝑋(𝐾‘𝐸)𝐷 ∧ 𝑌(𝐾‘𝐸)𝐹))) |
| 20 | 12, 19 | rspc2ev 3578 | . . 3 ⊢ ((𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃 ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑋𝐸𝑌”〉 ∧ 𝑋(𝐾‘𝐸)𝐷 ∧ 𝑌(𝐾‘𝐸)𝐹)) → ∃𝑥 ∈ 𝑃 ∃𝑦 ∈ 𝑃 (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑥𝐸𝑦”〉 ∧ 𝑥(𝐾‘𝐸)𝐷 ∧ 𝑦(𝐾‘𝐸)𝐹)) |
| 21 | 1, 2, 3, 4, 5, 20 | syl113anc 1385 | . 2 ⊢ (𝜑 → ∃𝑥 ∈ 𝑃 ∃𝑦 ∈ 𝑃 (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑥𝐸𝑦”〉 ∧ 𝑥(𝐾‘𝐸)𝐷 ∧ 𝑦(𝐾‘𝐸)𝐹)) |
| 22 | iscgra.p | . . 3 ⊢ 𝑃 = (Base‘𝐺) | |
| 23 | iscgra.i | . . 3 ⊢ 𝐼 = (Itv‘𝐺) | |
| 24 | iscgra.k | . . 3 ⊢ 𝐾 = (hlG‘𝐺) | |
| 25 | iscgra.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 26 | iscgra.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 27 | iscgra.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 28 | iscgra.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 29 | iscgra.d | . . 3 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
| 30 | iscgra.e | . . 3 ⊢ (𝜑 → 𝐸 ∈ 𝑃) | |
| 31 | iscgra.f | . . 3 ⊢ (𝜑 → 𝐹 ∈ 𝑃) | |
| 32 | 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 | iscgra 28891 | . 2 ⊢ (𝜑 → (〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐷𝐸𝐹”〉 ↔ ∃𝑥 ∈ 𝑃 ∃𝑦 ∈ 𝑃 (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝑥𝐸𝑦”〉 ∧ 𝑥(𝐾‘𝐸)𝐷 ∧ 𝑦(𝐾‘𝐸)𝐹))) |
| 33 | 21, 32 | mpbird 257 | 1 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐷𝐸𝐹”〉) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ∃wrex 3062 class class class wbr 5086 ‘cfv 6492 〈“cs3 14795 Basecbs 17170 TarskiGcstrkg 28509 Itvcitv 28515 cgrGccgrg 28592 hlGchlg 28682 cgrAccgra 28889 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-1o 8398 df-er 8636 df-map 8768 df-en 8887 df-dom 8888 df-sdom 8889 df-fin 8890 df-card 9854 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-nn 12166 df-2 12235 df-3 12236 df-n0 12429 df-z 12516 df-uz 12780 df-fz 13453 df-fzo 13600 df-hash 14284 df-word 14467 df-concat 14524 df-s1 14550 df-s2 14801 df-s3 14802 df-cgra 28890 |
| This theorem is referenced by: cgrahl1 28898 cgrahl2 28899 cgraid 28901 cgrcgra 28903 dfcgra2 28912 sacgr 28913 tgsas2 28938 tgsas3 28939 tgasa1 28940 |
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