| 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 31710 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 2760 | . 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 2760 | . . . . 5 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 8 | 1, 2, 7 | op01dm 40056 | . . . 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 18516 | 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 2145 class class class wbr 5103 dom cdm 5655 ‘cfv 6533 Basecbs 17301 lecple 17349 lubclub 18397 glbcglb 18398 1.cp1 18510 OPcops 40045 |
| 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 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 |
| 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 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7370 df-ov 7416 df-lub 18432 df-p1 18512 df-oposet 40049 |
| This theorem is used by: op1le 40065 glb0N 40066 opoc1 40075 ncvr1 40145 1cvrat 40349 pmap1N 40640 pol1N 40783 dih1 42159 dihjatc 42290 |
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