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Theorem p0le 18487
Description: Any element is less than or equal to a poset's upper bound (if defined). (Contributed by NM, 22-Oct-2011.) (Revised by NM, 13-Sep-2018.)
Hypotheses
Ref Expression
p0le.b 𝐵 = (Base‘𝐾)
p0le.g 𝐺 = (glb‘𝐾)
p0le.l = (le‘𝐾)
p0le.0 0 = (0.‘𝐾)
p0le.k (𝜑𝐾𝑉)
p0le.x (𝜑𝑋𝐵)
p0le.d (𝜑𝐵 ∈ dom 𝐺)
Assertion
Ref Expression
p0le (𝜑0 𝑋)

Proof of Theorem p0le
StepHypRef Expression
1 p0le.k . . 3 (𝜑𝐾𝑉)
2 p0le.b . . . 4 𝐵 = (Base‘𝐾)
3 p0le.g . . . 4 𝐺 = (glb‘𝐾)
4 p0le.0 . . . 4 0 = (0.‘𝐾)
52, 3, 4p0val 18485 . . 3 (𝐾𝑉0 = (𝐺𝐵))
61, 5syl 17 . 2 (𝜑0 = (𝐺𝐵))
7 p0le.l . . 3 = (le‘𝐾)
8 p0le.d . . 3 (𝜑𝐵 ∈ dom 𝐺)
9 p0le.x . . 3 (𝜑𝑋𝐵)
102, 7, 3, 1, 8, 9glble 18430 . 2 (𝜑 → (𝐺𝐵) 𝑋)
116, 10eqbrtrd 5170 1 (𝜑0 𝑋)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1537  wcel 2106   class class class wbr 5148  dom cdm 5689  cfv 6563  Basecbs 17245  lecple 17305  glbcglb 18368  0.cp0 18481
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-11 2155  ax-12 2175  ax-ext 2706  ax-rep 5285  ax-sep 5302  ax-nul 5312  ax-pow 5371  ax-pr 5438
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2727  df-clel 2814  df-nfc 2890  df-ne 2939  df-ral 3060  df-rex 3069  df-rmo 3378  df-reu 3379  df-rab 3434  df-v 3480  df-sbc 3792  df-csb 3909  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-nul 4340  df-if 4532  df-pw 4607  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-iun 4998  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5583  df-xp 5695  df-rel 5696  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702  df-iota 6516  df-fun 6565  df-fn 6566  df-f 6567  df-f1 6568  df-fo 6569  df-f1o 6570  df-fv 6571  df-riota 7388  df-glb 18405  df-p0 18483
This theorem is referenced by:  op0le  39168  atl0le  39286
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