| 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 31908 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 2762 | . 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 2762 | . . . 4 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
| 8 | 1, 7, 2 | atl0dm 40162 | . . 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 18519 | 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 5107 dom cdm 5659 ‘cfv 6537 Basecbs 17305 lecple 17353 lubclub 18401 glbcglb 18402 0.cp0 18513 AtLatcal 40124 |
| 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 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-glb 18437 df-p0 18515 df-atl 40158 |
| This theorem is used by: atlle0 40165 atlltn0 40166 atcvreq0 40174 trlval4 41048 dian0 41899 dia0 41912 dihmeetlem4preN 42166 |
| Copyright terms: Public domain | W3C validator |