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Theorem gtned 8297
Description: 'Less than' implies not equal. See also gtapd 8822 which is the same but for apartness. (Contributed by Mario Carneiro, 27-May-2016.)
Hypotheses
Ref Expression
ltd.1 (𝜑𝐴 ∈ ℝ)
ltned.2 (𝜑𝐴 < 𝐵)
Assertion
Ref Expression
gtned (𝜑𝐵𝐴)

Proof of Theorem gtned
StepHypRef Expression
1 ltd.1 . 2 (𝜑𝐴 ∈ ℝ)
2 ltned.2 . 2 (𝜑𝐴 < 𝐵)
3 ltne 8269 . 2 ((𝐴 ∈ ℝ ∧ 𝐴 < 𝐵) → 𝐵𝐴)
41, 2, 3syl2anc 411 1 (𝜑𝐵𝐴)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2201  wne 2401   class class class wbr 4089  cr 8036   < clt 8219
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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2203  ax-14 2204  ax-ext 2212  ax-sep 4208  ax-pow 4266  ax-pr 4301  ax-un 4532  ax-setind 4637  ax-cnex 8128  ax-resscn 8129  ax-pre-ltirr 8149
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1810  df-eu 2081  df-mo 2082  df-clab 2217  df-cleq 2223  df-clel 2226  df-nfc 2362  df-ne 2402  df-nel 2497  df-ral 2514  df-rex 2515  df-rab 2518  df-v 2803  df-dif 3201  df-un 3203  df-in 3205  df-ss 3212  df-pw 3655  df-sn 3676  df-pr 3677  df-op 3679  df-uni 3895  df-br 4090  df-opab 4152  df-xp 4733  df-pnf 8221  df-mnf 8222  df-ltxr 8224
This theorem is referenced by:  ltned  8298  seq3f1olemqsumkj  10779  seqf1oglem1  10787  seqf1oglem2  10788  nn0opthlem2d  10989  zfz1isolemiso  11109  ennnfonelemim  13068  logbgcd1irr  15720  logbgcd1irraplemexp  15721  perfectlem2  15753  gausslemma2dlem4  15822
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