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| Mirrors > Home > MPE Home > Th. List > lattr | Structured version Visualization version GIF version | ||
| Description: A lattice ordering is transitive. (sstr 3946 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 18362 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
| 2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | postr 18244 | . 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 2109 class class class wbr 5095 ‘cfv 6486 Basecbs 17138 lecple 17186 Posetcpo 18231 Latclat 18355 |
| 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 2008 ax-8 2111 ax-9 2119 ax-ext 2701 ax-nul 5248 |
| 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 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-ne 2926 df-ral 3045 df-rex 3054 df-rab 3397 df-v 3440 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4479 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4862 df-br 5096 df-opab 5158 df-xp 5629 df-dm 5633 df-iota 6442 df-fv 6494 df-poset 18237 df-lat 18356 |
| This theorem is referenced by: lattrd 18370 latjlej1 18377 latjlej12 18379 latnlej2 18383 latmlem1 18393 latmlem12 18395 clatleglb 18442 lecmtN 39237 hlrelat2 39385 ps-2 39460 dalem3 39646 dalem17 39662 dalem21 39676 dalem25 39680 linepsubN 39734 pmapsub 39750 cdlemblem 39775 pmapjoin 39834 lhpmcvr4N 40008 4atexlemnclw 40052 cdlemd3 40182 cdleme3g 40216 cdleme3h 40217 cdleme7d 40228 cdleme21c 40309 cdleme32b 40424 cdleme35fnpq 40431 cdleme35f 40436 cdleme48bw 40484 cdlemf1 40543 cdlemg2fv2 40582 cdlemg7fvbwN 40589 cdlemg4 40599 cdlemg6c 40602 cdlemg27a 40674 cdlemg33b0 40683 cdlemg33a 40688 cdlemk3 40815 dia2dimlem1 41046 dihord6b 41242 dihord5apre 41244 dihglbcpreN 41282 |
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