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Mathbox for Norm Megill |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > cdlemftr1 | Structured version Visualization version GIF version |
Description: Part of proof of Lemma G of [Crawley] p. 116, sixth line of third paragraph on p. 117: there is "a translation h, different from the identity, such that tr h ≠ tr f." (Contributed by NM, 25-Jul-2013.) |
Ref | Expression |
---|---|
cdlemftr.b | ⊢ 𝐵 = (Base‘𝐾) |
cdlemftr.h | ⊢ 𝐻 = (LHyp‘𝐾) |
cdlemftr.t | ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊) |
cdlemftr.r | ⊢ 𝑅 = ((trL‘𝐾)‘𝑊) |
Ref | Expression |
---|---|
cdlemftr1 | ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ∃𝑓 ∈ 𝑇 (𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cdlemftr.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
2 | cdlemftr.h | . . 3 ⊢ 𝐻 = (LHyp‘𝐾) | |
3 | cdlemftr.t | . . 3 ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊) | |
4 | cdlemftr.r | . . 3 ⊢ 𝑅 = ((trL‘𝐾)‘𝑊) | |
5 | 1, 2, 3, 4 | cdlemftr2 39904 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ∃𝑓 ∈ 𝑇 (𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋 ∧ (𝑅‘𝑓) ≠ 𝑋)) |
6 | 3simpa 1147 | . . 3 ⊢ ((𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋 ∧ (𝑅‘𝑓) ≠ 𝑋) → (𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋)) | |
7 | 6 | reximi 3083 | . 2 ⊢ (∃𝑓 ∈ 𝑇 (𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋 ∧ (𝑅‘𝑓) ≠ 𝑋) → ∃𝑓 ∈ 𝑇 (𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋)) |
8 | 5, 7 | syl 17 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ∃𝑓 ∈ 𝑇 (𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2105 ≠ wne 2939 ∃wrex 3069 I cid 5573 ↾ cres 5678 ‘cfv 6543 Basecbs 17151 HLchlt 38687 LHypclh 39322 LTrncltrn 39439 trLctrl 39496 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7729 ax-riotaBAD 38290 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-iun 4999 df-iin 5000 df-br 5149 df-opab 5211 df-mpt 5232 df-id 5574 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-1st 7979 df-2nd 7980 df-undef 8264 df-map 8828 df-proset 18258 df-poset 18276 df-plt 18293 df-lub 18309 df-glb 18310 df-join 18311 df-meet 18312 df-p0 18388 df-p1 18389 df-lat 18395 df-clat 18462 df-oposet 38513 df-ol 38515 df-oml 38516 df-covers 38603 df-ats 38604 df-atl 38635 df-cvlat 38659 df-hlat 38688 df-llines 38836 df-lplanes 38837 df-lvols 38838 df-lines 38839 df-psubsp 38841 df-pmap 38842 df-padd 39134 df-lhyp 39326 df-laut 39327 df-ldil 39442 df-ltrn 39443 df-trl 39497 |
This theorem is referenced by: cdlemftr0 39906 cdlemg48 40075 cdlemk19x 40281 |
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