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| Mirrors > Home > MPE Home > Th. List > inagswap | Structured version Visualization version GIF version | ||
| Description: Swap the order of the half lines delimiting the angle. Theorem 11.24 of [Schwabhauser] p. 101. (Contributed by Thierry Arnoux, 15-Aug-2020.) |
| Ref | Expression |
|---|---|
| isinag.p | ⊢ 𝑃 = (Base‘𝐺) |
| isinag.i | ⊢ 𝐼 = (Itv‘𝐺) |
| isinag.k | ⊢ 𝐾 = (hlG‘𝐺) |
| isinag.x | ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
| isinag.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| isinag.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| isinag.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| inagflat.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| inagswap.1 | ⊢ (𝜑 → 𝑋(inA‘𝐺)〈“𝐴𝐵𝐶”〉) |
| Ref | Expression |
|---|---|
| inagswap | ⊢ (𝜑 → 𝑋(inA‘𝐺)〈“𝐶𝐵𝐴”〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | inagswap.1 | . . . . . 6 ⊢ (𝜑 → 𝑋(inA‘𝐺)〈“𝐴𝐵𝐶”〉) | |
| 2 | isinag.p | . . . . . . 7 ⊢ 𝑃 = (Base‘𝐺) | |
| 3 | isinag.i | . . . . . . 7 ⊢ 𝐼 = (Itv‘𝐺) | |
| 4 | isinag.k | . . . . . . 7 ⊢ 𝐾 = (hlG‘𝐺) | |
| 5 | isinag.x | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ 𝑃) | |
| 6 | isinag.a | . . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 7 | isinag.b | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 8 | isinag.c | . . . . . . 7 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 9 | inagflat.g | . . . . . . 7 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 10 | 2, 3, 4, 5, 6, 7, 8, 9 | isinag 29215 | . . . . . 6 ⊢ (𝜑 → (𝑋(inA‘𝐺)〈“𝐴𝐵𝐶”〉 ↔ ((𝐴 ≠ 𝐵 ∧ 𝐶 ≠ 𝐵 ∧ 𝑋 ≠ 𝐵) ∧ ∃𝑥 ∈ 𝑃 (𝑥 ∈ (𝐴𝐼𝐶) ∧ (𝑥 = 𝐵 ∨ 𝑥(𝐾‘𝐵)𝑋))))) |
| 11 | 1, 10 | mpbid 235 | . . . . 5 ⊢ (𝜑 → ((𝐴 ≠ 𝐵 ∧ 𝐶 ≠ 𝐵 ∧ 𝑋 ≠ 𝐵) ∧ ∃𝑥 ∈ 𝑃 (𝑥 ∈ (𝐴𝐼𝐶) ∧ (𝑥 = 𝐵 ∨ 𝑥(𝐾‘𝐵)𝑋)))) |
| 12 | 11 | simpld 500 | . . . 4 ⊢ (𝜑 → (𝐴 ≠ 𝐵 ∧ 𝐶 ≠ 𝐵 ∧ 𝑋 ≠ 𝐵)) |
| 13 | 12 | simp2d 1161 | . . 3 ⊢ (𝜑 → 𝐶 ≠ 𝐵) |
| 14 | 12 | simp1d 1160 | . . 3 ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| 15 | 12 | simp3d 1162 | . . 3 ⊢ (𝜑 → 𝑋 ≠ 𝐵) |
| 16 | 13, 14, 15 | 3jca 1146 | . 2 ⊢ (𝜑 → (𝐶 ≠ 𝐵 ∧ 𝐴 ≠ 𝐵 ∧ 𝑋 ≠ 𝐵)) |
| 17 | 11 | simprd 501 | . . 3 ⊢ (𝜑 → ∃𝑥 ∈ 𝑃 (𝑥 ∈ (𝐴𝐼𝐶) ∧ (𝑥 = 𝐵 ∨ 𝑥(𝐾‘𝐵)𝑋))) |
| 18 | eqid 2765 | . . . . . . 7 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
| 19 | 9 | 3ad2ant1 1151 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑃 ∧ 𝑥 ∈ (𝐴𝐼𝐶)) → 𝐺 ∈ TarskiG) |
| 20 | 6 | 3ad2ant1 1151 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑃 ∧ 𝑥 ∈ (𝐴𝐼𝐶)) → 𝐴 ∈ 𝑃) |
| 21 | simp2 1155 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑃 ∧ 𝑥 ∈ (𝐴𝐼𝐶)) → 𝑥 ∈ 𝑃) | |
| 22 | 8 | 3ad2ant1 1151 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑃 ∧ 𝑥 ∈ (𝐴𝐼𝐶)) → 𝐶 ∈ 𝑃) |
| 23 | simp3 1156 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑃 ∧ 𝑥 ∈ (𝐴𝐼𝐶)) → 𝑥 ∈ (𝐴𝐼𝐶)) | |
| 24 | 2, 18, 3, 19, 20, 21, 22, 23 | tgbtwncom 28813 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑃 ∧ 𝑥 ∈ (𝐴𝐼𝐶)) → 𝑥 ∈ (𝐶𝐼𝐴)) |
| 25 | 24 | 3expia 1139 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑃) → (𝑥 ∈ (𝐴𝐼𝐶) → 𝑥 ∈ (𝐶𝐼𝐴))) |
| 26 | 25 | anim1d 623 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑃) → ((𝑥 ∈ (𝐴𝐼𝐶) ∧ (𝑥 = 𝐵 ∨ 𝑥(𝐾‘𝐵)𝑋)) → (𝑥 ∈ (𝐶𝐼𝐴) ∧ (𝑥 = 𝐵 ∨ 𝑥(𝐾‘𝐵)𝑋)))) |
| 27 | 26 | reximdva 3180 | . . 3 ⊢ (𝜑 → (∃𝑥 ∈ 𝑃 (𝑥 ∈ (𝐴𝐼𝐶) ∧ (𝑥 = 𝐵 ∨ 𝑥(𝐾‘𝐵)𝑋)) → ∃𝑥 ∈ 𝑃 (𝑥 ∈ (𝐶𝐼𝐴) ∧ (𝑥 = 𝐵 ∨ 𝑥(𝐾‘𝐵)𝑋)))) |
| 28 | 17, 27 | mpd 16 | . 2 ⊢ (𝜑 → ∃𝑥 ∈ 𝑃 (𝑥 ∈ (𝐶𝐼𝐴) ∧ (𝑥 = 𝐵 ∨ 𝑥(𝐾‘𝐵)𝑋))) |
| 29 | 2, 3, 4, 5, 8, 7, 6, 9 | isinag 29215 | . 2 ⊢ (𝜑 → (𝑋(inA‘𝐺)〈“𝐶𝐵𝐴”〉 ↔ ((𝐶 ≠ 𝐵 ∧ 𝐴 ≠ 𝐵 ∧ 𝑋 ≠ 𝐵) ∧ ∃𝑥 ∈ 𝑃 (𝑥 ∈ (𝐶𝐼𝐴) ∧ (𝑥 = 𝐵 ∨ 𝑥(𝐾‘𝐵)𝑋))))) |
| 30 | 16, 28, 29 | mpbir2and 726 | 1 ⊢ (𝜑 → 𝑋(inA‘𝐺)〈“𝐶𝐵𝐴”〉) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∨ wo 861 ∧ w3a 1103 = wceq 1570 ∈ wcel 2146 ≠ wne 2960 ∃wrex 3091 class class class wbr 5111 ‘cfv 6541 (class class class)co 7420 〈“cs3 14908 Basecbs 17296 distcds 17346 TarskiGcstrkg 28752 Itvcitv 28758 hlGchlg 28925 inAcinag 29212 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7743 ax-cnex 11176 ax-resscn 11177 ax-1cn 11178 ax-icn 11179 ax-addcl 11180 ax-addrcl 11181 ax-mulcl 11182 ax-mulrcl 11183 ax-mulcom 11184 ax-addass 11185 ax-mulass 11186 ax-distr 11187 ax-i2m1 11188 ax-1ne0 11189 ax-1rid 11190 ax-rnegex 11191 ax-rrecex 11192 ax-cnre 11193 ax-pre-lttri 11194 ax-pre-lttrn 11195 ax-pre-ltadd 11196 ax-pre-mulgt0 11197 |
| 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 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-int 4915 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7870 df-1st 7993 df-2nd 7994 df-frecs 8285 df-wrecs 8316 df-recs 8365 df-rdg 8404 df-1o 8460 df-er 8701 df-map 8833 df-en 8951 df-dom 8952 df-sdom 8953 df-fin 8954 df-card 9942 df-pnf 11265 df-mnf 11266 df-xr 11267 df-ltxr 11268 df-le 11269 df-sub 11463 df-neg 11464 df-nn 12254 df-2 12323 df-3 12324 df-n0 12525 df-z 12612 df-uz 12884 df-fz 13557 df-fzo 13705 df-hash 14390 df-word 14574 df-concat 14631 df-s1 14658 df-s2 14914 df-s3 14915 df-trkgc 28773 df-trkgb 28774 df-trkgcb 28775 df-trkg 28778 df-inag 29214 |
| This theorem is used by: (None) |
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