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Mirrors > Home > MPE Home > Th. List > lattr | Structured version Visualization version GIF version |
Description: A lattice ordering is transitive. (sstr 3576 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 16873 | . 2 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
2 | latref.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
3 | latref.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
4 | 2, 3 | postr 16776 | . 2 ⊢ ((𝐾 ∈ Poset ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑌 ∧ 𝑌 ≤ 𝑍) → 𝑋 ≤ 𝑍)) |
5 | 1, 4 | sylan 487 | 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 383 ∧ w3a 1031 = wceq 1475 ∈ wcel 1977 class class class wbr 4583 ‘cfv 5804 Basecbs 15695 lecple 15775 Posetcpo 16763 Latclat 16868 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-nul 4717 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-xp 5044 df-dm 5048 df-iota 5768 df-fv 5812 df-poset 16769 df-lat 16869 |
This theorem is referenced by: lattrd 16881 latjlej1 16888 latjlej12 16890 latnlej2 16894 latmlem1 16904 latmlem12 16906 clatleglb 16949 lecmtN 33561 hlrelat2 33707 ps-2 33782 dalem3 33968 dalem17 33984 dalem21 33998 dalem25 34002 linepsubN 34056 pmapsub 34072 cdlemblem 34097 pmapjoin 34156 lhpmcvr4N 34330 4atexlemnclw 34374 cdlemd3 34505 cdleme3g 34539 cdleme3h 34540 cdleme7d 34551 cdleme21c 34633 cdleme32b 34748 cdleme35fnpq 34755 cdleme35f 34760 cdleme48bw 34808 cdlemf1 34867 cdlemg2fv2 34906 cdlemg7fvbwN 34913 cdlemg4 34923 cdlemg6c 34926 cdlemg27a 34998 cdlemg33b0 35007 cdlemg33a 35012 cdlemk3 35139 dia2dimlem1 35371 dihord6b 35567 dihord5apre 35569 dihglbcpreN 35607 |
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