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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 18495 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
| 2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | postr 18377 | . 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 1103 = wceq 1570 ∈ wcel 2143 class class class wbr 5110 ‘cfv 6538 Basecbs 17270 lecple 17318 Posetcpo 18364 Latclat 18488 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-nul 5270 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-xp 5669 df-dm 5673 df-iota 6494 df-fv 6546 df-poset 18370 df-lat 18489 |
| This theorem is referenced by: lattrd 18503 latjlej1 18510 latjlej12 18512 latnlej2 18516 latmlem1 18526 latmlem12 18528 clatleglb 18575 lecmtN 40011 hlrelat2 40158 ps-2 40233 dalem3 40419 dalem17 40435 dalem21 40449 dalem25 40453 linepsubN 40507 pmapsub 40523 cdlemblem 40548 pmapjoin 40607 lhpmcvr4N 40781 4atexlemnclw 40825 cdlemd3 40955 cdleme3g 40989 cdleme3h 40990 cdleme7d 41001 cdleme21c 41082 cdleme32b 41197 cdleme35fnpq 41204 cdleme35f 41209 cdleme48bw 41257 cdlemf1 41316 cdlemg2fv2 41355 cdlemg7fvbwN 41362 cdlemg4 41372 cdlemg6c 41375 cdlemg27a 41447 cdlemg33b0 41456 cdlemg33a 41461 cdlemk3 41588 dia2dimlem1 41819 dihord6b 42015 dihord5apre 42017 dihglbcpreN 42055 |
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