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Theorem gt0ne0ii 8778
Description: Positive implies nonzero. (Contributed by NM, 15-May-1999.)
Hypotheses
Ref Expression
lt2.1  |-  A  e.  RR
gt0ne0i.2  |-  0  <  A
Assertion
Ref Expression
gt0ne0ii  |-  A  =/=  0

Proof of Theorem gt0ne0ii
StepHypRef Expression
1 gt0ne0i.2 . 2  |-  0  <  A
2 lt2.1 . . 3  |-  A  e.  RR
32gt0ne0i 8777 . 2  |-  ( 0  <  A  ->  A  =/=  0 )
41, 3ax-mp 5 1  |-  A  =/=  0
Colors of variables: wff set class
Syntax hints:    e. wcel 2205    =/= wne 2414   class class class wbr 4114   RRcr 8142   0cc0 8143    < clt 8324
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-cnex 8234  ax-resscn 8235  ax-1re 8237  ax-addrcl 8240  ax-rnegex 8252  ax-pre-ltirr 8255
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-nel 2510  df-ral 2527  df-rex 2528  df-rab 2531  df-v 2817  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-br 4115  df-opab 4177  df-xp 4760  df-pnf 8326  df-mnf 8327  df-ltxr 8329
This theorem is referenced by:  nnne0i  9286  2ne0  9346  3ne0  9349  4ne0  9352  ene0  12494
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