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| Mirrors > Home > MPE Home > Th. List > lattr | Structured version Visualization version GIF version | ||
| Description: A lattice ordering is transitive. (sstr 3930 analog.) (Contributed by NM, 17-Nov-2011.) |
| Ref | Expression |
|---|---|
| latref.b | ⊢ 𝐵 = (Base‘𝐾) |
| latref.l | ⊢ ≤ = (le‘𝐾) |
| Ref | Expression |
|---|---|
| lattr | ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑌 ∧ 𝑌 ≤ 𝑍) → 𝑋 ≤ 𝑍)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | latpos 18402 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
| 2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | postr 18284 | . 2 ⊢ ((𝐾 ∈ Poset ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑌 ∧ 𝑌 ≤ 𝑍) → 𝑋 ≤ 𝑍)) |
| 5 | 1, 4 | sylan 586 | 1 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑌 ∧ 𝑌 ≤ 𝑍) → 𝑋 ≤ 𝑍)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1092 = wceq 1547 ∈ wcel 2119 class class class wbr 5079 ‘cfv 6492 Basecbs 17177 lecple 17225 Posetcpo 18271 Latclat 18395 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 ax-nul 5235 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-xp 5631 df-dm 5635 df-iota 6448 df-fv 6500 df-poset 18277 df-lat 18396 |
| This theorem is referenced by: lattrd 18410 latjlej1 18417 latjlej12 18419 latnlej2 18423 latmlem1 18433 latmlem12 18435 clatleglb 18482 lecmtN 39755 hlrelat2 39902 ps-2 39977 dalem3 40163 dalem17 40179 dalem21 40193 dalem25 40197 linepsubN 40251 pmapsub 40267 cdlemblem 40292 pmapjoin 40351 lhpmcvr4N 40525 4atexlemnclw 40569 cdlemd3 40699 cdleme3g 40733 cdleme3h 40734 cdleme7d 40745 cdleme21c 40826 cdleme32b 40941 cdleme35fnpq 40948 cdleme35f 40953 cdleme48bw 41001 cdlemf1 41060 cdlemg2fv2 41099 cdlemg7fvbwN 41106 cdlemg4 41116 cdlemg6c 41119 cdlemg27a 41191 cdlemg33b0 41200 cdlemg33a 41205 cdlemk3 41332 dia2dimlem1 41563 dihord6b 41759 dihord5apre 41761 dihglbcpreN 41799 |
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