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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 8533 |
. 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 4249 ax-pow 4311 ax-pr 4346 ax-setind 4684 ax-resscn 8271 ax-1cn 8272 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-addcom 8279 ax-addass 8281 ax-distr 8283 ax-i2m1 8284 ax-0id 8287 ax-rnegex 8288 ax-cnre 8290 |
| 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 4131 df-opab 4193 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-iota 5337 df-fun 5379 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-sub 8500 |
| This theorem is used by: mvlraddd 8691 mvlladdd 8692 mvrraddd 8693 addlsub 8697 pnpncand 8702 pncan1 8705 eluzmn 9937 icoshftf1o 10403 nnsplit 10554 uzsinds 10894 zesq 11109 ccatval3 11381 resqrexlemcalc2 11795 iser3shft 12128 fisumrev2 12229 fprodp1 12383 uzwodc 12830 hashdvds 13019 pythagtriplem4 13067 pythagtriplem6 13069 pythagtriplem7 13070 pythagtriplem12 13074 pythagtriplem14 13076 pcqdiv 13106 ballotfilemfc0 13281 ballotfilemfcc 13282 ballotfilemsgt1 13303 ballotfilemsel1i 13305 ballotfilemsima 13308 ballotfilem1ri 13327 ennnfonelemp1 13346 mulgdirlem 14005 gzsumshift 14198 blhalf 15558 dvply2g 15916 repiecele0 17173 trilpolemeq1 17187 trilpolemlt1 17188 nconstwlpolemgt0 17212 |
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