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Mirrors > Home > ILE Home > Th. List > negcl | GIF version |
Description: Closure law for negative. (Contributed by NM, 6-Aug-2003.) |
Ref | Expression |
---|---|
negcl | ⊢ (𝐴 ∈ ℂ → -𝐴 ∈ ℂ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-neg 8072 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
2 | 0cn 7891 | . . 3 ⊢ 0 ∈ ℂ | |
3 | subcl 8097 | . . 3 ⊢ ((0 ∈ ℂ ∧ 𝐴 ∈ ℂ) → (0 − 𝐴) ∈ ℂ) | |
4 | 2, 3 | mpan 421 | . 2 ⊢ (𝐴 ∈ ℂ → (0 − 𝐴) ∈ ℂ) |
5 | 1, 4 | eqeltrid 2253 | 1 ⊢ (𝐴 ∈ ℂ → -𝐴 ∈ ℂ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 2136 (class class class)co 5842 ℂcc 7751 0cc0 7753 − cmin 8069 -cneg 8070 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-setind 4514 ax-resscn 7845 ax-1cn 7846 ax-icn 7848 ax-addcl 7849 ax-addrcl 7850 ax-mulcl 7851 ax-addcom 7853 ax-addass 7855 ax-distr 7857 ax-i2m1 7858 ax-0id 7861 ax-rnegex 7862 ax-cnre 7864 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-ral 2449 df-rex 2450 df-reu 2451 df-rab 2453 df-v 2728 df-sbc 2952 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-iota 5153 df-fun 5190 df-fv 5196 df-riota 5798 df-ov 5845 df-oprab 5846 df-mpo 5847 df-sub 8071 df-neg 8072 |
This theorem is referenced by: negicn 8099 negcon1 8150 negdi 8155 negdi2 8156 negsubdi2 8157 neg2sub 8158 negcli 8166 negcld 8196 mulneg2 8294 mul2neg 8296 mulsub 8299 apsub1 8540 subap0 8541 divnegap 8602 divsubdirap 8604 divsubdivap 8624 eqneg 8628 div2negap 8631 divneg2ap 8632 zeo 9296 sqneg 10514 binom2sub 10568 shftval4 10770 shftcan1 10776 shftcan2 10777 crim 10800 resub 10812 imsub 10820 cjneg 10832 cjsub 10834 absneg 10992 abs2dif2 11049 subcn2 11252 efcan 11617 efap0 11618 efne0 11619 efneg 11620 efsub 11622 sinneg 11667 cosneg 11668 tannegap 11669 efmival 11674 sinsub 11681 cossub 11682 sincossq 11689 sin2pim 13374 cos2pim 13375 rpcxpsub 13469 |
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