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| Mirrors > Home > ILE Home > Th. List > renegcld | GIF version | ||
| Description: Closure law for negative of reals. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| renegcld.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| Ref | Expression |
|---|---|
| renegcld | ⊢ (𝜑 → -𝐴 ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | renegcld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | renegcl 8534 | . 2 ⊢ (𝐴 ∈ ℝ → -𝐴 ∈ ℝ) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → -𝐴 ∈ ℝ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2203 ℝcr 8126 -cneg 8445 |
| 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-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-setind 4659 ax-resscn 8219 ax-1cn 8220 ax-icn 8222 ax-addcl 8223 ax-addrcl 8224 ax-mulcl 8225 ax-addcom 8227 ax-addass 8229 ax-distr 8231 ax-i2m1 8232 ax-0id 8235 ax-rnegex 8236 ax-cnre 8238 |
| 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 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2815 df-sbc 3043 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-opab 4172 df-id 4414 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-iota 5312 df-fun 5354 df-fv 5360 df-riota 6003 df-ov 6053 df-oprab 6054 df-mpo 6055 df-sub 8446 df-neg 8447 |
| This theorem is referenced by: eqord2 8758 possumd 8843 reapmul1 8869 reapneg 8871 apneg 8885 mulext1 8886 recgt0 9124 prodgt0 9126 prodge0 9128 negiso 9229 nnnegz 9580 peano2z 9613 nn0negleid 9646 difgtsumgt 9647 supinfneg 9927 infsupneg 9928 infssuzex 10593 zsupssdc 10598 monoord2 10848 recj 11552 reneg 11553 imcj 11560 imneg 11561 cjap 11591 resqrexlemcalc3 11701 resqrexlemgt0 11705 abslt 11773 absle 11774 minmax 11915 mincl 11916 lemininf 11919 ltmininf 11920 bdtri 11925 xrmaxaddlem 11945 xrminrpcl 11959 climge0 12010 cos12dec 12454 absefib 12457 efieq1re 12458 dvdslelemd 12529 bitscmp 12644 bitsinv1lem 12647 4sqexercise2 13097 4sqlemsdc 13098 mulgnegnn 13849 ivthdec 15509 coseq0negpitopi 15701 cosq34lt1 15715 rpabscxpbnd 15805 lgsneg 15897 lgsdilem 15900 lgseisenlem1 15943 |
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