| Mathbox for Norm Megill |
< Previous
Next >
Nearby theorems |
||
| 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 31976 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 2760 | . 2 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 3 | atl0le.l | . 2 ⊢ ≤ = (le‘𝐾) | |
| 4 | atl0le.z | . 2 ⊢ 0 = (0.‘𝐾) | |
| 5 | simpl 488 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 𝐾 ∈ AtLat) | |
| 6 | simpr 490 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
| 7 | eqid 2760 | . . . 4 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
| 8 | 1, 7, 2 | atl0dm 40279 | . . 3 ⊢ (𝐾 ∈ AtLat → 𝐵 ∈ dom (glb‘𝐾)) |
| 9 | 8 | adantr 486 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 𝐵 ∈ dom (glb‘𝐾)) |
| 10 | 1, 2, 3, 4, 5, 6, 9 | p0le 18562 | 1 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 0 ≤ 𝑋) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 class class class wbr 5102 dom cdm 5647 ‘cfv 6527 Basecbs 17348 lecple 17396 lubclub 18444 glbcglb 18445 0.cp0 18556 AtLatcal 40241 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-glb 18480 df-p0 18558 df-atl 40275 |
| This theorem is used by: atlle0 40282 atlltn0 40283 atcvreq0 40291 trlval4 41165 dian0 42016 dia0 42029 dihmeetlem4preN 42283 |
| Copyright terms: Public domain | W3C validator |