| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8463 |
. 2
| |
| 2 | 0cn 8282 |
. . 3
| |
| 3 | subcl 8488 |
. . 3
| |
| 4 | 2, 3 | mpan 424 |
. 2
|
| 5 | 1, 4 | eqeltrid 2321 |
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 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 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-setind 4664 ax-resscn 8235 ax-1cn 8236 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-addcom 8243 ax-addass 8245 ax-distr 8247 ax-i2m1 8248 ax-0id 8251 ax-rnegex 8252 ax-cnre 8254 |
| 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 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3046 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-iota 5317 df-fun 5359 df-fv 5365 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-sub 8462 df-neg 8463 |
| This theorem is referenced by: negicn 8490 negcon1 8541 negdi 8546 negdi2 8547 negsubdi2 8548 neg2sub 8549 negcli 8557 negcld 8587 mulneg2 8686 mul2neg 8688 mulsub 8691 apsub1 8933 subap0 8934 divnegap 8997 divsubdirap 8999 divsubdivap 9019 eqneg 9023 div2negap 9026 divneg2ap 9027 zeo 9701 sqneg 10984 binom2sub 11039 shftval4 11538 shftcan1 11544 shftcan2 11545 crim 11568 resub 11580 imsub 11588 cjneg 11600 cjsub 11602 absneg 11760 abs2dif2 11817 subcn2 12021 efcan 12387 efap0 12388 efne0 12389 efneg 12390 efsub 12392 sinneg 12437 cosneg 12438 tannegap 12439 efmival 12444 sinsub 12451 cossub 12452 sincossq 12459 cncrng 14843 cnfldneg 14847 sin2pim 15804 cos2pim 15805 rpcxpsub 15899 |
| Copyright terms: Public domain | W3C validator |