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| Mirrors > Home > ILE Home > Th. List > npcand | Unicode version | ||
| Description: Cancellation law for subtraction. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| negidd.1 |
|
| pncand.2 |
|
| Ref | Expression |
|---|---|
| npcand |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negidd.1 |
. 2
| |
| 2 | pncand.2 |
. 2
| |
| 3 | npcan 8542 |
. 2
| |
| 4 | 1, 2, 3 | syl2anc 415 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-setind 4686 ax-resscn 8277 ax-1cn 8278 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-addcom 8285 ax-addass 8287 ax-distr 8289 ax-i2m1 8290 ax-0id 8293 ax-rnegex 8294 ax-cnre 8296 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-iota 5340 df-fun 5382 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-sub 8506 |
| This theorem is used by: addlsub 8703 npcan1 8712 ltsubadd 8767 lesubadd 8769 ltaddsub 8771 leaddsub 8773 lesub1 8791 ltsub1 8793 irraddap 10063 lincmb01cmp 10422 lincmble 10423 fzsplit3 10475 fzspl 10493 expaddzaplem 11040 bcpasc 11226 bcm1n 11229 bcn2m1 11230 zfz1isolemsplit 11312 zfz1isolem1 11314 shftuz 11604 seq3shft 11625 arisum2 12291 cvgratnnlemsumlt 12320 ntrivcvgap 12340 fprodm1 12390 sin01bnd 12549 cos12dec 12560 moddvds 12591 dvdsexp 12653 zeo3 12660 divalglemnn 12710 bitscmp 12750 uzwodc 12839 hashdvds 13028 ballotfilemfc0 13290 ballotfilemfcc 13291 gzsumsplit0 14238 dvcnp2cntop 15925 chtublem 16295 lgseisenlem4 16397 lgsquadlem1 16401 clwwlknonex2lem1 16883 |
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