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| Mirrors > Home > MPE Home > Th. List > lattr | Structured version Visualization version GIF version | ||
| Description: A lattice ordering is transitive. (sstr 3967 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 18448 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
| 2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | postr 18332 | . 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 1540 ∈ wcel 2108 class class class wbr 5119 ‘cfv 6531 Basecbs 17228 lecple 17278 Posetcpo 18319 Latclat 18441 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-ext 2707 ax-nul 5276 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2065 df-clab 2714 df-cleq 2727 df-clel 2809 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3416 df-v 3461 df-dif 3929 df-un 3931 df-ss 3943 df-nul 4309 df-if 4501 df-sn 4602 df-pr 4604 df-op 4608 df-uni 4884 df-br 5120 df-opab 5182 df-xp 5660 df-dm 5664 df-iota 6484 df-fv 6539 df-poset 18325 df-lat 18442 |
| This theorem is referenced by: lattrd 18456 latjlej1 18463 latjlej12 18465 latnlej2 18469 latmlem1 18479 latmlem12 18481 clatleglb 18528 lecmtN 39274 hlrelat2 39422 ps-2 39497 dalem3 39683 dalem17 39699 dalem21 39713 dalem25 39717 linepsubN 39771 pmapsub 39787 cdlemblem 39812 pmapjoin 39871 lhpmcvr4N 40045 4atexlemnclw 40089 cdlemd3 40219 cdleme3g 40253 cdleme3h 40254 cdleme7d 40265 cdleme21c 40346 cdleme32b 40461 cdleme35fnpq 40468 cdleme35f 40473 cdleme48bw 40521 cdlemf1 40580 cdlemg2fv2 40619 cdlemg7fvbwN 40626 cdlemg4 40636 cdlemg6c 40639 cdlemg27a 40711 cdlemg33b0 40720 cdlemg33a 40725 cdlemk3 40852 dia2dimlem1 41083 dihord6b 41279 dihord5apre 41281 dihglbcpreN 41319 |
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