| Mathbox for Norm Megill |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > op0cl | Structured version Visualization version GIF version | ||
| Description: An orthoposet has a zero element. (h0elch 31235 analog.) (Contributed by NM, 12-Oct-2011.) |
| Ref | Expression |
|---|---|
| op0cl.b | ⊢ 𝐵 = (Base‘𝐾) |
| op0cl.z | ⊢ 0 = (0.‘𝐾) |
| Ref | Expression |
|---|---|
| op0cl | ⊢ (𝐾 ∈ OP → 0 ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | op0cl.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | eqid 2731 | . . 3 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 3 | op0cl.z | . . 3 ⊢ 0 = (0.‘𝐾) | |
| 4 | 1, 2, 3 | p0val 18331 | . 2 ⊢ (𝐾 ∈ OP → 0 = ((glb‘𝐾)‘𝐵)) |
| 5 | id 22 | . . 3 ⊢ (𝐾 ∈ OP → 𝐾 ∈ OP) | |
| 6 | eqid 2731 | . . . . 5 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
| 7 | 1, 6, 2 | op01dm 39292 | . . . 4 ⊢ (𝐾 ∈ OP → (𝐵 ∈ dom (lub‘𝐾) ∧ 𝐵 ∈ dom (glb‘𝐾))) |
| 8 | 7 | simprd 495 | . . 3 ⊢ (𝐾 ∈ OP → 𝐵 ∈ dom (glb‘𝐾)) |
| 9 | 1, 2, 5, 8 | glbcl 18274 | . 2 ⊢ (𝐾 ∈ OP → ((glb‘𝐾)‘𝐵) ∈ 𝐵) |
| 10 | 4, 9 | eqeltrd 2831 | 1 ⊢ (𝐾 ∈ OP → 0 ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2111 dom cdm 5614 ‘cfv 6481 Basecbs 17120 lubclub 18215 glbcglb 18216 0.cp0 18327 OPcops 39281 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5215 ax-sep 5232 ax-nul 5242 ax-pow 5301 ax-pr 5368 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-iun 4941 df-br 5090 df-opab 5152 df-mpt 5171 df-id 5509 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-f1 6486 df-fo 6487 df-f1o 6488 df-fv 6489 df-riota 7303 df-ov 7349 df-glb 18251 df-p0 18329 df-oposet 39285 |
| This theorem is referenced by: ople0 39296 lub0N 39298 opltn0 39299 opoc1 39311 opoc0 39312 olj01 39334 olj02 39335 olm01 39345 olm02 39346 0ltat 39400 leatb 39401 hlhgt2 39498 hl0lt1N 39499 hl2at 39514 atcvr0eq 39535 lnnat 39536 atle 39545 athgt 39565 1cvratex 39582 ps-2 39587 dalemcea 39769 pmapeq0 39875 2atm2atN 39894 lhp0lt 40112 lhpn0 40113 ltrnatb 40246 cdleme3c 40339 cdleme7e 40356 dia0eldmN 41149 dia2dimlem2 41174 dia2dimlem3 41175 dib0 41273 dih0 41389 dih0bN 41390 dih0rn 41393 dihlspsnssN 41441 dihlspsnat 41442 dihatexv 41447 |
| Copyright terms: Public domain | W3C validator |