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Theorem renegcli 8215
Description: Closure law for negative of reals. (Note: this inference proof style and the deduction theorem usage in renegcl 8214 is deprecated, but is retained for its demonstration value.) (Contributed by NM, 17-Jan-1997.) (Proof shortened by Andrew Salmon, 22-Oct-2011.)
Hypothesis
Ref Expression
renegcl.1  |-  A  e.  RR
Assertion
Ref Expression
renegcli  |-  -u A  e.  RR

Proof of Theorem renegcli
StepHypRef Expression
1 renegcl.1 . 2  |-  A  e.  RR
2 renegcl 8214 . 2  |-  ( A  e.  RR  ->  -u A  e.  RR )
31, 2ax-mp 5 1  |-  -u A  e.  RR
Colors of variables: wff set class
Syntax hints:    e. wcel 2148   RRcr 7807   -ucneg 8125
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 614  ax-in2 615  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-14 2151  ax-ext 2159  ax-sep 4120  ax-pow 4173  ax-pr 4208  ax-setind 4535  ax-resscn 7900  ax-1cn 7901  ax-icn 7903  ax-addcl 7904  ax-addrcl 7905  ax-mulcl 7906  ax-addcom 7908  ax-addass 7910  ax-distr 7912  ax-i2m1 7913  ax-0id 7916  ax-rnegex 7917  ax-cnre 7919
This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-fal 1359  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ne 2348  df-ral 2460  df-rex 2461  df-reu 2462  df-rab 2464  df-v 2739  df-sbc 2963  df-dif 3131  df-un 3133  df-in 3135  df-ss 3142  df-pw 3577  df-sn 3598  df-pr 3599  df-op 3601  df-uni 3810  df-br 4003  df-opab 4064  df-id 4292  df-xp 4631  df-rel 4632  df-cnv 4633  df-co 4634  df-dm 4635  df-iota 5177  df-fun 5217  df-fv 5223  df-riota 5828  df-ov 5875  df-oprab 5876  df-mpo 5877  df-sub 8126  df-neg 8127
This theorem is referenced by:  resubcli  8216  inelr  8537  cju  8914  neg1rr  9021  sincos2sgn  11766  neghalfpire  14085  coseq0negpitopi  14128  negpitopissre  14147  rpabscxpbnd  14230  ex-fl  14337
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