| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > atl0le | Structured version Visualization version GIF version | ||
| Description: Orthoposet zero is less than or equal to any element. (ch0le 31531 analog.) (Contributed by NM, 12-Oct-2011.) |
| Ref | Expression |
|---|---|
| atl0le.b | ⊢ 𝐵 = (Base‘𝐾) |
| atl0le.l | ⊢ ≤ = (le‘𝐾) |
| atl0le.z | ⊢ 0 = (0.‘𝐾) |
| Ref | Expression |
|---|---|
| atl0le | ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 0 ≤ 𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | atl0le.b | . 2 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | eqid 2739 | . 2 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 3 | atl0le.l | . 2 ⊢ ≤ = (le‘𝐾) | |
| 4 | atl0le.z | . 2 ⊢ 0 = (0.‘𝐾) | |
| 5 | simpl 483 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 𝐾 ∈ AtLat) | |
| 6 | simpr 485 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
| 7 | eqid 2739 | . . . 4 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
| 8 | 1, 7, 2 | atl0dm 39803 | . . 3 ⊢ (𝐾 ∈ AtLat → 𝐵 ∈ dom (glb‘𝐾)) |
| 9 | 8 | adantr 481 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 𝐵 ∈ dom (glb‘𝐾)) |
| 10 | 1, 2, 3, 4, 5, 6, 9 | p0le 18385 | 1 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 0 ≤ 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 = wceq 1547 ∈ wcel 2119 class class class wbr 5073 dom cdm 5619 ‘cfv 6486 Basecbs 17171 lecple 17219 lubclub 18267 glbcglb 18268 0.cp0 18379 AtLatcal 39765 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5200 ax-sep 5219 ax-nul 5229 ax-pow 5295 ax-pr 5363 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rmo 3344 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4263 df-if 4456 df-pw 4532 df-sn 4557 df-pr 4559 df-op 4563 df-uni 4840 df-iun 4924 df-br 5074 df-opab 5136 df-mpt 5155 df-id 5514 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7314 df-glb 18303 df-p0 18381 df-atl 39799 |
| This theorem is referenced by: atlle0 39806 atlltn0 39807 atcvreq0 39815 trlval4 40689 dian0 41540 dia0 41553 dihmeetlem4preN 41807 |
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