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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 36642 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ∃𝑓 ∈ 𝑇 (𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋 ∧ (𝑅‘𝑓) ≠ 𝑋)) |
6 | 3simpa 1184 | . . 3 ⊢ ((𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋 ∧ (𝑅‘𝑓) ≠ 𝑋) → (𝑓 ≠ ( I ↾ 𝐵) ∧ (𝑅‘𝑓) ≠ 𝑋)) | |
7 | 6 | reximi 3220 | . 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 386 ∧ w3a 1113 = wceq 1658 ∈ wcel 2166 ≠ wne 3000 ∃wrex 3119 I cid 5250 ↾ cres 5345 ‘cfv 6124 Basecbs 16223 HLchlt 35426 LHypclh 36060 LTrncltrn 36177 trLctrl 36234 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1896 ax-4 1910 ax-5 2011 ax-6 2077 ax-7 2114 ax-8 2168 ax-9 2175 ax-10 2194 ax-11 2209 ax-12 2222 ax-13 2391 ax-ext 2804 ax-rep 4995 ax-sep 5006 ax-nul 5014 ax-pow 5066 ax-pr 5128 ax-un 7210 ax-riotaBAD 35029 |
This theorem depends on definitions: df-bi 199 df-an 387 df-or 881 df-3or 1114 df-3an 1115 df-tru 1662 df-ex 1881 df-nf 1885 df-sb 2070 df-mo 2606 df-eu 2641 df-clab 2813 df-cleq 2819 df-clel 2822 df-nfc 2959 df-ne 3001 df-nel 3104 df-ral 3123 df-rex 3124 df-reu 3125 df-rmo 3126 df-rab 3127 df-v 3417 df-sbc 3664 df-csb 3759 df-dif 3802 df-un 3804 df-in 3806 df-ss 3813 df-nul 4146 df-if 4308 df-pw 4381 df-sn 4399 df-pr 4401 df-op 4405 df-uni 4660 df-iun 4743 df-iin 4744 df-br 4875 df-opab 4937 df-mpt 4954 df-id 5251 df-xp 5349 df-rel 5350 df-cnv 5351 df-co 5352 df-dm 5353 df-rn 5354 df-res 5355 df-ima 5356 df-iota 6087 df-fun 6126 df-fn 6127 df-f 6128 df-f1 6129 df-fo 6130 df-f1o 6131 df-fv 6132 df-riota 6867 df-ov 6909 df-oprab 6910 df-mpt2 6911 df-1st 7429 df-2nd 7430 df-undef 7665 df-map 8125 df-proset 17282 df-poset 17300 df-plt 17312 df-lub 17328 df-glb 17329 df-join 17330 df-meet 17331 df-p0 17393 df-p1 17394 df-lat 17400 df-clat 17462 df-oposet 35252 df-ol 35254 df-oml 35255 df-covers 35342 df-ats 35343 df-atl 35374 df-cvlat 35398 df-hlat 35427 df-llines 35574 df-lplanes 35575 df-lvols 35576 df-lines 35577 df-psubsp 35579 df-pmap 35580 df-padd 35872 df-lhyp 36064 df-laut 36065 df-ldil 36180 df-ltrn 36181 df-trl 36235 |
This theorem is referenced by: cdlemftr0 36644 cdlemg48 36813 cdlemk19x 37019 |
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