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| Mirrors > Home > MPE Home > Th. List > lattr | Structured version Visualization version GIF version | ||
| Description: A lattice ordering is transitive. (sstr 3947 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 18482 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
| 2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | postr 18364 | . 2 ⊢ ((𝐾 ∈ Poset ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑌 ∧ 𝑌 ≤ 𝑍) → 𝑋 ≤ 𝑍)) |
| 5 | 1, 4 | sylan 591 | 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 400 ∧ w3a 1101 = wceq 1563 ∈ wcel 2145 class class class wbr 5104 ‘cfv 6525 Basecbs 17257 lecple 17305 Posetcpo 18351 Latclat 18475 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 ax-nul 5260 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-ne 2961 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-ss 3924 df-nul 4289 df-if 4484 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-br 5105 df-opab 5167 df-xp 5657 df-dm 5661 df-iota 6481 df-fv 6533 df-poset 18357 df-lat 18476 |
| This theorem is referenced by: lattrd 18490 latjlej1 18497 latjlej12 18499 latnlej2 18503 latmlem1 18513 latmlem12 18515 clatleglb 18562 lecmtN 39887 hlrelat2 40034 ps-2 40109 dalem3 40295 dalem17 40311 dalem21 40325 dalem25 40329 linepsubN 40383 pmapsub 40399 cdlemblem 40424 pmapjoin 40483 lhpmcvr4N 40657 4atexlemnclw 40701 cdlemd3 40831 cdleme3g 40865 cdleme3h 40866 cdleme7d 40877 cdleme21c 40958 cdleme32b 41073 cdleme35fnpq 41080 cdleme35f 41085 cdleme48bw 41133 cdlemf1 41192 cdlemg2fv2 41231 cdlemg7fvbwN 41238 cdlemg4 41248 cdlemg6c 41251 cdlemg27a 41323 cdlemg33b0 41332 cdlemg33a 41337 cdlemk3 41464 dia2dimlem1 41695 dihord6b 41891 dihord5apre 41893 dihglbcpreN 41931 |
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