| 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 31804 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 487 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 𝐾 ∈ AtLat) | |
| 6 | simpr 489 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
| 7 | eqid 2762 | . . . 4 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
| 8 | 1, 7, 2 | atl0dm 40104 | . . 3 ⊢ (𝐾 ∈ AtLat → 𝐵 ∈ dom (glb‘𝐾)) |
| 9 | 8 | adantr 485 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 𝐵 ∈ dom (glb‘𝐾)) |
| 10 | 1, 2, 3, 4, 5, 6, 9 | p0le 18489 | 1 ⊢ ((𝐾 ∈ AtLat ∧ 𝑋 ∈ 𝐵) → 0 ≤ 𝑋) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 = wceq 1569 ∈ wcel 2142 class class class wbr 5108 dom cdm 5660 ‘cfv 6536 Basecbs 17275 lecple 17323 lubclub 18371 glbcglb 18372 0.cp0 18483 AtLatcal 40066 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 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 3368 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-id 5555 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7369 df-glb 18407 df-p0 18485 df-atl 40100 |
| This theorem is used by: atlle0 40107 atlltn0 40108 atcvreq0 40116 trlval4 40990 dian0 41841 dia0 41854 dihmeetlem4preN 42108 |
| Copyright terms: Public domain | W3C validator |