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| Mirrors > Home > ILE Home > Th. List > pncand | Unicode version | ||
| Description: Cancellation law for subtraction. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| negidd.1 |
|
| pncand.2 |
|
| Ref | Expression |
|---|---|
| pncand |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negidd.1 |
. 2
| |
| 2 | pncand.2 |
. 2
| |
| 3 | pncan 8539 |
. 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: mvlraddd 8697 mvlladdd 8698 mvrraddd 8699 addlsub 8703 pnpncand 8708 pncan1 8711 eluzmn 9943 icoshftf1o 10409 nnsplit 10560 uzsinds 10901 zesq 11116 ccatval3 11388 resqrexlemcalc2 11802 iser3shft 12136 fisumrev2 12237 fprodp1 12391 uzwodc 12838 hashdvds 13027 pythagtriplem4 13075 pythagtriplem6 13077 pythagtriplem7 13078 pythagtriplem12 13082 pythagtriplem14 13084 pcqdiv 13114 ballotfilemfc0 13289 ballotfilemfcc 13290 ballotfilemsgt1 13311 ballotfilemsel1i 13313 ballotfilemsima 13316 ballotfilem1ri 13335 ennnfonelemp1 13354 mulgdirlem 14014 gzsumshift 14238 blhalf 15651 dvply2g 16009 repiecele0 17298 trilpolemeq1 17313 trilpolemlt1 17314 nconstwlpolemgt0 17338 |
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