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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 18361 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
| 2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | postr 18243 | . 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 1541 ∈ wcel 2113 class class class wbr 5098 ‘cfv 6492 Basecbs 17136 lecple 17184 Posetcpo 18230 Latclat 18354 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-nul 5251 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-xp 5630 df-dm 5634 df-iota 6448 df-fv 6500 df-poset 18236 df-lat 18355 |
| This theorem is referenced by: lattrd 18369 latjlej1 18376 latjlej12 18378 latnlej2 18382 latmlem1 18392 latmlem12 18394 clatleglb 18441 lecmtN 39516 hlrelat2 39663 ps-2 39738 dalem3 39924 dalem17 39940 dalem21 39954 dalem25 39958 linepsubN 40012 pmapsub 40028 cdlemblem 40053 pmapjoin 40112 lhpmcvr4N 40286 4atexlemnclw 40330 cdlemd3 40460 cdleme3g 40494 cdleme3h 40495 cdleme7d 40506 cdleme21c 40587 cdleme32b 40702 cdleme35fnpq 40709 cdleme35f 40714 cdleme48bw 40762 cdlemf1 40821 cdlemg2fv2 40860 cdlemg7fvbwN 40867 cdlemg4 40877 cdlemg6c 40880 cdlemg27a 40952 cdlemg33b0 40961 cdlemg33a 40966 cdlemk3 41093 dia2dimlem1 41324 dihord6b 41520 dihord5apre 41522 dihglbcpreN 41560 |
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