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Mirrors > Home > MPE Home > Th. List > Mathboxes > ltrncnvnid | Structured version Visualization version GIF version |
Description: If a translation is different from the identity, so is its converse. (Contributed by NM, 17-Jun-2013.) |
Ref | Expression |
---|---|
ltrn1o.b | ⊢ 𝐵 = (Base‘𝐾) |
ltrn1o.h | ⊢ 𝐻 = (LHyp‘𝐾) |
ltrn1o.t | ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊) |
Ref | Expression |
---|---|
ltrncnvnid | ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) → ◡𝐹 ≠ ( I ↾ 𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp3 1137 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) → 𝐹 ≠ ( I ↾ 𝐵)) | |
2 | ltrn1o.b | . . . . . . . . . 10 ⊢ 𝐵 = (Base‘𝐾) | |
3 | ltrn1o.h | . . . . . . . . . 10 ⊢ 𝐻 = (LHyp‘𝐾) | |
4 | ltrn1o.t | . . . . . . . . . 10 ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊) | |
5 | 2, 3, 4 | ltrn1o 38138 | . . . . . . . . 9 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇) → 𝐹:𝐵–1-1-onto→𝐵) |
6 | 5 | 3adant3 1131 | . . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) → 𝐹:𝐵–1-1-onto→𝐵) |
7 | f1orel 6719 | . . . . . . . 8 ⊢ (𝐹:𝐵–1-1-onto→𝐵 → Rel 𝐹) | |
8 | 6, 7 | syl 17 | . . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) → Rel 𝐹) |
9 | dfrel2 6092 | . . . . . . 7 ⊢ (Rel 𝐹 ↔ ◡◡𝐹 = 𝐹) | |
10 | 8, 9 | sylib 217 | . . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) → ◡◡𝐹 = 𝐹) |
11 | cnveq 5782 | . . . . . 6 ⊢ (◡𝐹 = ( I ↾ 𝐵) → ◡◡𝐹 = ◡( I ↾ 𝐵)) | |
12 | 10, 11 | sylan9req 2799 | . . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) ∧ ◡𝐹 = ( I ↾ 𝐵)) → 𝐹 = ◡( I ↾ 𝐵)) |
13 | cnvresid 6513 | . . . . 5 ⊢ ◡( I ↾ 𝐵) = ( I ↾ 𝐵) | |
14 | 12, 13 | eqtrdi 2794 | . . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) ∧ ◡𝐹 = ( I ↾ 𝐵)) → 𝐹 = ( I ↾ 𝐵)) |
15 | 14 | ex 413 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) → (◡𝐹 = ( I ↾ 𝐵) → 𝐹 = ( I ↾ 𝐵))) |
16 | 15 | necon3d 2964 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) → (𝐹 ≠ ( I ↾ 𝐵) → ◡𝐹 ≠ ( I ↾ 𝐵))) |
17 | 1, 16 | mpd 15 | 1 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵)) → ◡𝐹 ≠ ( I ↾ 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 I cid 5488 ◡ccnv 5588 ↾ cres 5591 Rel wrel 5594 –1-1-onto→wf1o 6432 ‘cfv 6433 Basecbs 16912 HLchlt 37364 LHypclh 37998 LTrncltrn 38115 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-ov 7278 df-oprab 7279 df-mpo 7280 df-map 8617 df-laut 38003 df-ldil 38118 df-ltrn 38119 |
This theorem is referenced by: cdlemh2 38830 cdlemh 38831 cdlemkfid1N 38935 |
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