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| Mirrors > Home > MPE Home > Th. List > lattr | Structured version Visualization version GIF version | ||
| Description: A lattice ordering is transitive. (sstr 3942 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 18460 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
| 2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | postr 18342 | . 2 ⊢ ((𝐾 ∈ Poset ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑌 ∧ 𝑌 ≤ 𝑍) → 𝑋 ≤ 𝑍)) |
| 5 | 1, 4 | sylan 589 | 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 399 ∧ w3a 1097 = wceq 1559 ∈ wcel 2141 class class class wbr 5097 ‘cfv 6515 Basecbs 17235 lecple 17283 Posetcpo 18329 Latclat 18453 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 ax-nul 5253 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4284 df-if 4478 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-opab 5160 df-xp 5649 df-dm 5653 df-iota 6471 df-fv 6523 df-poset 18335 df-lat 18454 |
| This theorem is referenced by: lattrd 18468 latjlej1 18475 latjlej12 18477 latnlej2 18481 latmlem1 18491 latmlem12 18493 clatleglb 18540 lecmtN 39840 hlrelat2 39987 ps-2 40062 dalem3 40248 dalem17 40264 dalem21 40278 dalem25 40282 linepsubN 40336 pmapsub 40352 cdlemblem 40377 pmapjoin 40436 lhpmcvr4N 40610 4atexlemnclw 40654 cdlemd3 40784 cdleme3g 40818 cdleme3h 40819 cdleme7d 40830 cdleme21c 40911 cdleme32b 41026 cdleme35fnpq 41033 cdleme35f 41038 cdleme48bw 41086 cdlemf1 41145 cdlemg2fv2 41184 cdlemg7fvbwN 41191 cdlemg4 41201 cdlemg6c 41204 cdlemg27a 41276 cdlemg33b0 41285 cdlemg33a 41290 cdlemk3 41417 dia2dimlem1 41648 dihord6b 41844 dihord5apre 41846 dihglbcpreN 41884 |
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