| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ople1 | Structured version Visualization version GIF version | ||
| Description: Any element is less than the orthoposet unity. (chss 31611 analog.) (Contributed by NM, 23-Oct-2011.) |
| Ref | Expression |
|---|---|
| ople1.b | ⊢ 𝐵 = (Base‘𝐾) |
| ople1.l | ⊢ ≤ = (le‘𝐾) |
| ople1.u | ⊢ 1 = (1.‘𝐾) |
| Ref | Expression |
|---|---|
| ople1 | ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵) → 𝑋 ≤ 1 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ople1.b | . 2 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | eqid 2766 | . 2 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
| 3 | ople1.l | . 2 ⊢ ≤ = (le‘𝐾) | |
| 4 | ople1.u | . 2 ⊢ 1 = (1.‘𝐾) | |
| 5 | simpl 488 | . 2 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵) → 𝐾 ∈ OP) | |
| 6 | simpr 490 | . 2 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
| 7 | eqid 2766 | . . . . 5 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 8 | 1, 2, 7 | op01dm 39990 | . . . 4 ⊢ (𝐾 ∈ OP → (𝐵 ∈ dom (lub‘𝐾) ∧ 𝐵 ∈ dom (glb‘𝐾))) |
| 9 | 8 | simpld 500 | . . 3 ⊢ (𝐾 ∈ OP → 𝐵 ∈ dom (lub‘𝐾)) |
| 10 | 9 | adantr 486 | . 2 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵) → 𝐵 ∈ dom (lub‘𝐾)) |
| 11 | 1, 2, 3, 4, 5, 6, 10 | ple1 18509 | 1 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵) → 𝑋 ≤ 1 ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 class class class wbr 5114 dom cdm 5666 ‘cfv 6543 Basecbs 17294 lecple 17342 lubclub 18390 glbcglb 18391 1.cp1 18503 OPcops 39979 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rmo 3372 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-lub 18425 df-p1 18505 df-oposet 39983 |
| This theorem is used by: op1le 39999 glb0N 40000 opoc1 40009 ncvr1 40079 1cvrat 40283 pmap1N 40574 pol1N 40717 dih1 42093 dihjatc 42224 |
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