| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > llnnlt | Structured version Visualization version GIF version | ||
| Description: Two lattice lines cannot satisfy the less than relation. (Contributed by NM, 26-Jun-2012.) |
| Ref | Expression |
|---|---|
| llnnlt.s | ⊢ < = (lt‘𝐾) |
| llnnlt.n | ⊢ 𝑁 = (LLines‘𝐾) |
| Ref | Expression |
|---|---|
| llnnlt | ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → ¬ 𝑋 < 𝑌) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | llnnlt.s | . . . . 5 ⊢ < = (lt‘𝐾) | |
| 2 | 1 | pltirr 18533 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁) → ¬ 𝑋 < 𝑋) |
| 3 | 2 | 3adant3 1150 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → ¬ 𝑋 < 𝑋) |
| 4 | breq2 5110 | . . . 4 ⊢ (𝑋 = 𝑌 → (𝑋 < 𝑋 ↔ 𝑋 < 𝑌)) | |
| 5 | 4 | notbid 321 | . . 3 ⊢ (𝑋 = 𝑌 → (¬ 𝑋 < 𝑋 ↔ ¬ 𝑋 < 𝑌)) |
| 6 | 3, 5 | syl5ibcom 248 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → (𝑋 = 𝑌 → ¬ 𝑋 < 𝑌)) |
| 7 | eqid 2763 | . . . . 5 ⊢ (le‘𝐾) = (le‘𝐾) | |
| 8 | 7, 1 | pltle 18531 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → (𝑋 < 𝑌 → 𝑋(le‘𝐾)𝑌)) |
| 9 | llnnlt.n | . . . . 5 ⊢ 𝑁 = (LLines‘𝐾) | |
| 10 | 7, 9 | llncmp 40770 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → (𝑋(le‘𝐾)𝑌 ↔ 𝑋 = 𝑌)) |
| 11 | 8, 10 | sylibd 242 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → (𝑋 < 𝑌 → 𝑋 = 𝑌)) |
| 12 | 11 | necon3ad 2972 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → (𝑋 ≠ 𝑌 → ¬ 𝑋 < 𝑌)) |
| 13 | 6, 12 | pm2.61dne 3045 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → ¬ 𝑋 < 𝑌) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 class class class wbr 5106 ‘cfv 6555 lecple 17461 ltcplt 18508 HLchlt 40598 LLinesclln 40739 |
| 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-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 |
| 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-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-riota 7397 df-ov 7443 df-oprab 7444 df-proset 18494 df-poset 18513 df-plt 18528 df-lub 18544 df-glb 18545 df-join 18546 df-meet 18547 df-p0 18623 df-lat 18632 df-clat 18699 df-oposet 40424 df-ol 40426 df-oml 40427 df-covers 40514 df-ats 40515 df-atl 40546 df-cvlat 40570 df-hlat 40599 df-llines 40746 |
| This theorem is used by: lplnnle2at 40789 |
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