| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8534 |
. 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 8272 ax-1cn 8273 ax-icn 8275 ax-addcl 8276 ax-addrcl 8277 ax-mulcl 8278 ax-addcom 8280 ax-addass 8282 ax-distr 8284 ax-i2m1 8285 ax-0id 8288 ax-rnegex 8289 ax-cnre 8291 |
| 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 8501 |
| This theorem is used by: mvlraddd 8692 mvlladdd 8693 mvrraddd 8694 addlsub 8698 pnpncand 8703 pncan1 8706 eluzmn 9938 icoshftf1o 10404 nnsplit 10555 uzsinds 10896 zesq 11111 ccatval3 11383 resqrexlemcalc2 11797 iser3shft 12131 fisumrev2 12232 fprodp1 12386 uzwodc 12833 hashdvds 13022 pythagtriplem4 13070 pythagtriplem6 13072 pythagtriplem7 13073 pythagtriplem12 13077 pythagtriplem14 13079 pcqdiv 13109 ballotfilemfc0 13284 ballotfilemfcc 13285 ballotfilemsgt1 13306 ballotfilemsel1i 13308 ballotfilemsima 13311 ballotfilem1ri 13330 ennnfonelemp1 13349 mulgdirlem 14009 gzsumshift 14233 blhalf 15600 dvply2g 15958 repiecele0 17241 trilpolemeq1 17256 trilpolemlt1 17257 nconstwlpolemgt0 17281 |
| Copyright terms: Public domain | W3C validator |