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| Mirrors > Home > MPE Home > Th. List > lattr | Structured version Visualization version GIF version | ||
| Description: A lattice ordering is transitive. (sstr 3938 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 18350 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
| 2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | postr 18232 | . 2 ⊢ ((𝐾 ∈ Poset ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑌 ∧ 𝑌 ≤ 𝑍) → 𝑋 ≤ 𝑍)) |
| 5 | 1, 4 | sylan 580 | 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 395 ∧ w3a 1086 = wceq 1541 ∈ wcel 2111 class class class wbr 5093 ‘cfv 6487 Basecbs 17126 lecple 17174 Posetcpo 18219 Latclat 18343 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-ext 2703 ax-nul 5246 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2710 df-cleq 2723 df-clel 2806 df-ne 2929 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-dif 3900 df-un 3902 df-ss 3914 df-nul 4283 df-if 4475 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-br 5094 df-opab 5156 df-xp 5625 df-dm 5629 df-iota 6443 df-fv 6495 df-poset 18225 df-lat 18344 |
| This theorem is referenced by: lattrd 18358 latjlej1 18365 latjlej12 18367 latnlej2 18371 latmlem1 18381 latmlem12 18383 clatleglb 18430 lecmtN 39361 hlrelat2 39508 ps-2 39583 dalem3 39769 dalem17 39785 dalem21 39799 dalem25 39803 linepsubN 39857 pmapsub 39873 cdlemblem 39898 pmapjoin 39957 lhpmcvr4N 40131 4atexlemnclw 40175 cdlemd3 40305 cdleme3g 40339 cdleme3h 40340 cdleme7d 40351 cdleme21c 40432 cdleme32b 40547 cdleme35fnpq 40554 cdleme35f 40559 cdleme48bw 40607 cdlemf1 40666 cdlemg2fv2 40705 cdlemg7fvbwN 40712 cdlemg4 40722 cdlemg6c 40725 cdlemg27a 40797 cdlemg33b0 40806 cdlemg33a 40811 cdlemk3 40938 dia2dimlem1 41169 dihord6b 41365 dihord5apre 41367 dihglbcpreN 41405 |
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