Users' Mathboxes Mathbox for Norm Megill < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  opnlen0 Structured version   Visualization version   GIF version

Theorem opnlen0 39448
Description: An element not less than another is nonzero. TODO: Look for uses of necon3bd 2946 and op0le 39446 to see if this is useful elsewhere. (Contributed by NM, 5-May-2013.)
Hypotheses
Ref Expression
op0le.b 𝐵 = (Base‘𝐾)
op0le.l = (le‘𝐾)
op0le.z 0 = (0.‘𝐾)
Assertion
Ref Expression
opnlen0 (((𝐾 ∈ OP ∧ 𝑋𝐵𝑌𝐵) ∧ ¬ 𝑋 𝑌) → 𝑋0 )

Proof of Theorem opnlen0
StepHypRef Expression
1 op0le.b . . . . . 6 𝐵 = (Base‘𝐾)
2 op0le.l . . . . . 6 = (le‘𝐾)
3 op0le.z . . . . . 6 0 = (0.‘𝐾)
41, 2, 3op0le 39446 . . . . 5 ((𝐾 ∈ OP ∧ 𝑌𝐵) → 0 𝑌)
543adant2 1131 . . . 4 ((𝐾 ∈ OP ∧ 𝑋𝐵𝑌𝐵) → 0 𝑌)
6 breq1 5101 . . . 4 (𝑋 = 0 → (𝑋 𝑌0 𝑌))
75, 6syl5ibrcom 247 . . 3 ((𝐾 ∈ OP ∧ 𝑋𝐵𝑌𝐵) → (𝑋 = 0𝑋 𝑌))
87necon3bd 2946 . 2 ((𝐾 ∈ OP ∧ 𝑋𝐵𝑌𝐵) → (¬ 𝑋 𝑌𝑋0 ))
98imp 406 1 (((𝐾 ∈ OP ∧ 𝑋𝐵𝑌𝐵) ∧ ¬ 𝑋 𝑌) → 𝑋0 )
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 395  w3a 1086   = wceq 1541  wcel 2113  wne 2932   class class class wbr 5098  cfv 6492  Basecbs 17136  lecple 17184  0.cp0 18344  OPcops 39432
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 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2184  ax-ext 2708  ax-rep 5224  ax-sep 5241  ax-nul 5251  ax-pow 5310  ax-pr 5377
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 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3061  df-rmo 3350  df-reu 3351  df-rab 3400  df-v 3442  df-sbc 3741  df-csb 3850  df-dif 3904  df-un 3906  df-in 3908  df-ss 3918  df-nul 4286  df-if 4480  df-pw 4556  df-sn 4581  df-pr 4583  df-op 4587  df-uni 4864  df-iun 4948  df-br 5099  df-opab 5161  df-mpt 5180  df-id 5519  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-riota 7315  df-ov 7361  df-glb 18268  df-p0 18346  df-oposet 39436
This theorem is referenced by:  cdlemg12e  40907
  Copyright terms: Public domain W3C validator