| Mathbox for Norm Megill |
< Previous
Next >
Nearby theorems |
||
| 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 18425 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁) → ¬ 𝑋 < 𝑋) |
| 3 | 2 | 3adant3 1150 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → ¬ 𝑋 < 𝑋) |
| 4 | breq2 5111 | . . . 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 2762 | . . . . 5 ⊢ (le‘𝐾) = (le‘𝐾) | |
| 8 | 7, 1 | pltle 18423 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → (𝑋 < 𝑌 → 𝑋(le‘𝐾)𝑌)) |
| 9 | llnnlt.n | . . . . 5 ⊢ 𝑁 = (LLines‘𝐾) | |
| 10 | 7, 9 | llncmp 40382 | . . . 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 2970 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑁) → (𝑋 ≠ 𝑌 → ¬ 𝑋 < 𝑌)) |
| 13 | 6, 12 | pm2.61dne 3043 | 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 2145 class class class wbr 5107 ‘cfv 6537 lecple 17353 ltcplt 18400 HLchlt 40210 LLinesclln 40351 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 |
| 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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-proset 18386 df-poset 18405 df-plt 18420 df-lub 18436 df-glb 18437 df-join 18438 df-meet 18439 df-p0 18515 df-lat 18524 df-clat 18591 df-oposet 40036 df-ol 40038 df-oml 40039 df-covers 40126 df-ats 40127 df-atl 40158 df-cvlat 40182 df-hlat 40211 df-llines 40358 |
| This theorem is used by: lplnnle2at 40401 |
| Copyright terms: Public domain | W3C validator |