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Theorem renegcli 8441
Description: Closure law for negative of reals. (Note: this inference proof style and the deduction theorem usage in renegcl 8440 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 ∈ ℝ
Assertion
Ref Expression
renegcli -𝐴 ∈ ℝ

Proof of Theorem renegcli
StepHypRef Expression
1 renegcl.1 . 2 𝐴 ∈ ℝ
2 renegcl 8440 . 2 (𝐴 ∈ ℝ → -𝐴 ∈ ℝ)
31, 2ax-mp 5 1 -𝐴 ∈ ℝ
Colors of variables: wff set class
Syntax hints:  wcel 2202  cr 8031  -cneg 8351
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-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299  ax-setind 4635  ax-resscn 8124  ax-1cn 8125  ax-icn 8127  ax-addcl 8128  ax-addrcl 8129  ax-mulcl 8130  ax-addcom 8132  ax-addass 8134  ax-distr 8136  ax-i2m1 8137  ax-0id 8140  ax-rnegex 8141  ax-cnre 8143
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-ral 2515  df-rex 2516  df-reu 2517  df-rab 2519  df-v 2804  df-sbc 3032  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-br 4089  df-opab 4151  df-id 4390  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-iota 5286  df-fun 5328  df-fv 5334  df-riota 5971  df-ov 6021  df-oprab 6022  df-mpo 6023  df-sub 8352  df-neg 8353
This theorem is referenced by:  resubcli  8442  inelr  8764  cju  9141  neg1rr  9249  sincos2sgn  12329  neghalfpire  15520  coseq0negpitopi  15563  negpitopissre  15582  rpabscxpbnd  15667  ex-fl  16338
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