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| Mirrors > Home > MPE Home > Th. List > tgcgrcomlr | Structured version Visualization version GIF version | ||
| Description: Congruence commutes on both sides. (Contributed by Thierry Arnoux, 23-Mar-2019.) |
| Ref | Expression |
|---|---|
| tkgeom.p | ⊢ 𝑃 = (Base‘𝐺) |
| tkgeom.d | ⊢ − = (dist‘𝐺) |
| tkgeom.i | ⊢ 𝐼 = (Itv‘𝐺) |
| tkgeom.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| tgcgrcomlr.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| tgcgrcomlr.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| tgcgrcomlr.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| tgcgrcomlr.d | ⊢ (𝜑 → 𝐷 ∈ 𝑃) |
| tgcgrcomlr.6 | ⊢ (𝜑 → (𝐴 − 𝐵) = (𝐶 − 𝐷)) |
| Ref | Expression |
|---|---|
| tgcgrcomlr | ⊢ (𝜑 → (𝐵 − 𝐴) = (𝐷 − 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tgcgrcomlr.6 | . 2 ⊢ (𝜑 → (𝐴 − 𝐵) = (𝐶 − 𝐷)) | |
| 2 | tkgeom.p | . . 3 ⊢ 𝑃 = (Base‘𝐺) | |
| 3 | tkgeom.d | . . 3 ⊢ − = (dist‘𝐺) | |
| 4 | tkgeom.i | . . 3 ⊢ 𝐼 = (Itv‘𝐺) | |
| 5 | tkgeom.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 6 | tgcgrcomlr.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 7 | tgcgrcomlr.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 8 | 2, 3, 4, 5, 6, 7 | axtgcgrrflx 28954 | . 2 ⊢ (𝜑 → (𝐴 − 𝐵) = (𝐵 − 𝐴)) |
| 9 | tgcgrcomlr.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 10 | tgcgrcomlr.d | . . 3 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
| 11 | 2, 3, 4, 5, 9, 10 | axtgcgrrflx 28954 | . 2 ⊢ (𝜑 → (𝐶 − 𝐷) = (𝐷 − 𝐶)) |
| 12 | 1, 8, 11 | 3eqtr3d 2806 | 1 ⊢ (𝜑 → (𝐵 − 𝐴) = (𝐷 − 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 ‘cfv 6558 (class class class)co 7443 Basecbs 17416 distcds 17466 TarskiGcstrkg 28919 Itvcitv 28925 |
| 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-ext 2735 ax-nul 5263 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-ne 2960 df-ral 3081 df-rab 3417 df-v 3456 df-sbc 3743 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-iota 6512 df-fv 6566 df-ov 7446 df-trkgc 28940 df-trkg 28945 |
| This theorem is used by: tgcgrextend 28977 tgifscgr 29001 tgcgrsub 29002 iscgrglt 29007 trgcgrg 29008 tgcgrxfr 29011 cgr3swap12 29016 cgr3swap23 29017 tgbtwnxfr 29023 lnext 29060 tgbtwnconn1lem1 29065 tgbtwnconn1lem2 29066 tgbtwnconn1lem3 29067 tgbtwnconn1 29068 legov2 29079 legtri3 29083 legbtwn 29087 tgcgrsub2 29088 miriso 29172 mircgrextend 29184 mirtrcgr 29185 miduniq 29187 colmid 29190 symquadlem 29191 krippenlem 29192 midexlem 29194 ragcom 29203 ragflat 29209 ragcgr 29212 footexALT 29223 footexlem1 29224 footexlem2 29225 colperpexlem1 29236 mideulem2 29240 opphllem 29241 opphllem3 29255 lmiisolem 29331 symquadmid 29334 hypcgrlem1 29335 trgcopy 29341 trgcopyeulem 29342 iscgra1 29347 cgracgr 29355 cgraswap 29357 cgrcgra 29358 cgracom 29359 cgratr 29360 zerocgra 29361 flatcgra 29362 dfcgra2 29368 acopy 29371 acopyeu 29372 ragcgra 29373 ragsupplcgra 29375 tgaaddcpbllem1 29379 cgrg3col4 29402 angmgmaddeu1 29409 tgsas1 29429 tgsas3 29432 tgasa1 29433 symquadprlng 29470 tgaltai 29475 cgrahlb 33077 iscgrag 33082 cgrgptxfr 33083 |
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