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| Mirrors > Home > ILE Home > Th. List > negcl | Unicode version | ||
| Description: Closure law for negative. (Contributed by NM, 6-Aug-2003.) | 
| Ref | Expression | 
|---|---|
| negcl | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | df-neg 8200 | 
. 2
 | |
| 2 | 0cn 8018 | 
. . 3
 | |
| 3 | subcl 8225 | 
. . 3
 | |
| 4 | 2, 3 | mpan 424 | 
. 2
 | 
| 5 | 1, 4 | eqeltrid 2283 | 
1
 | 
| Colors of variables: wff set class | 
| Syntax hints:     | 
| 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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 ax-setind 4573 ax-resscn 7971 ax-1cn 7972 ax-icn 7974 ax-addcl 7975 ax-addrcl 7976 ax-mulcl 7977 ax-addcom 7979 ax-addass 7981 ax-distr 7983 ax-i2m1 7984 ax-0id 7987 ax-rnegex 7988 ax-cnre 7990 | 
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-ral 2480 df-rex 2481 df-reu 2482 df-rab 2484 df-v 2765 df-sbc 2990 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-br 4034 df-opab 4095 df-id 4328 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-iota 5219 df-fun 5260 df-fv 5266 df-riota 5877 df-ov 5925 df-oprab 5926 df-mpo 5927 df-sub 8199 df-neg 8200 | 
| This theorem is referenced by: negicn 8227 negcon1 8278 negdi 8283 negdi2 8284 negsubdi2 8285 neg2sub 8286 negcli 8294 negcld 8324 mulneg2 8422 mul2neg 8424 mulsub 8427 apsub1 8669 subap0 8670 divnegap 8733 divsubdirap 8735 divsubdivap 8755 eqneg 8759 div2negap 8762 divneg2ap 8763 zeo 9431 sqneg 10690 binom2sub 10745 shftval4 10993 shftcan1 10999 shftcan2 11000 crim 11023 resub 11035 imsub 11043 cjneg 11055 cjsub 11057 absneg 11215 abs2dif2 11272 subcn2 11476 efcan 11841 efap0 11842 efne0 11843 efneg 11844 efsub 11846 sinneg 11891 cosneg 11892 tannegap 11893 efmival 11898 sinsub 11905 cossub 11906 sincossq 11913 cncrng 14125 cnfldneg 14129 sin2pim 15049 cos2pim 15050 rpcxpsub 15144 | 
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