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| Mirrors > Home > MPE Home > Th. List > lattr | Structured version Visualization version GIF version | ||
| Description: A lattice ordering is transitive. (sstr 3944 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 18373 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
| 2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | postr 18255 | . 2 ⊢ ((𝐾 ∈ Poset ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑌 ∧ 𝑌 ≤ 𝑍) → 𝑋 ≤ 𝑍)) |
| 5 | 1, 4 | sylan 581 | 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 1087 = wceq 1542 ∈ wcel 2114 class class class wbr 5100 ‘cfv 6500 Basecbs 17148 lecple 17196 Posetcpo 18242 Latclat 18366 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-nul 5253 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5638 df-dm 5642 df-iota 6456 df-fv 6508 df-poset 18248 df-lat 18367 |
| This theorem is referenced by: lattrd 18381 latjlej1 18388 latjlej12 18390 latnlej2 18394 latmlem1 18404 latmlem12 18406 clatleglb 18453 lecmtN 39629 hlrelat2 39776 ps-2 39851 dalem3 40037 dalem17 40053 dalem21 40067 dalem25 40071 linepsubN 40125 pmapsub 40141 cdlemblem 40166 pmapjoin 40225 lhpmcvr4N 40399 4atexlemnclw 40443 cdlemd3 40573 cdleme3g 40607 cdleme3h 40608 cdleme7d 40619 cdleme21c 40700 cdleme32b 40815 cdleme35fnpq 40822 cdleme35f 40827 cdleme48bw 40875 cdlemf1 40934 cdlemg2fv2 40973 cdlemg7fvbwN 40980 cdlemg4 40990 cdlemg6c 40993 cdlemg27a 41065 cdlemg33b0 41074 cdlemg33a 41079 cdlemk3 41206 dia2dimlem1 41437 dihord6b 41633 dihord5apre 41635 dihglbcpreN 41673 |
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