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| Description: Cancellation law for subtraction. |
| Ref | Expression |
|---|---|
| npcant |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addsubt 5384 |
. . 3
| |
| 2 | 1 | 3anidm23 884 |
. 2
|
| 3 | pncant 5397 |
. 2
| |
| 4 | 2, 3 | eqtr3d 1509 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: npncant 5400 nppcant 5401 nnncant 5466 nn0ltlem1t 6129 elnnnn0 6172 zlem1ltt 6183 zltlem1t 6184 uzindOLD 6208 qbtwnre 6278 seq1m1 6319 shftcan2t 6353 icoshftf1oi 6409 peano2uzr 6448 seqzm1 6549 expm1t 6583 expordit 6600 expubndt 6608 caubnd 6926 facnn2t 6939 bcpasc2 6967 serzsplit 7056 binomlem2 7067 iserzshft2 7107 climmullem3 7122 fnsmntlem 7225 efaddlem16 7353 sin01bndlem3 7469 lmle 7960 bcthlem16 8014 nndivsub 10421 trran 10636 cnvtr 10638 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-9 965 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-nul 2710 ax-pow 2742 ax-pr 2779 ax-un 2866 ax-inf2 4625 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 776 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-ral 1649 df-rex 1650 df-reu 1651 df-rab 1652 df-v 1812 df-sbc 1942 df-csb 2002 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-pss 2055 df-nul 2281 df-if 2362 df-pw 2402 df-sn 2412 df-pr 2413 df-tp 2415 df-op 2416 df-uni 2504 df-int 2534 df-iun 2568 df-br 2620 df-opab 2667 df-tr 2681 df-eprel 2832 df-id 2835 df-po 2840 df-so 2850 df-fr 2917 df-we 2934 df-ord 2951 df-on 2952 df-lim 2953 df-suc 2954 df-om 3132 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fn 3193 df-f 3194 df-fv 3198 df-rdg 3932 df-opr 3965 df-oprab 3966 df-1st 4079 df-2nd 4080 df-1o 4133 df-oadd 4135 df-omul 4136 df-er 4261 df-ec 4263 df-qs 4266 df-ni 5000 df-pli 5001 df-mi 5002 df-lti 5003 df-plpq 5035 df-mpq 5036 df-enq 5037 df-nq 5038 df-plq 5039 df-mq 5040 df-rq 5041 df-ltq 5042 df-1q 5043 df-np 5086 df-1p 5087 df-plp 5088 df-mp 5089 df-ltp 5090 df-plpr 5164 df-mpr 5165 df-enr 5166 df-nr 5167 df-plr 5168 df-mr 5169 df-0r 5171 df-1r 5172 df-m1r 5173 df-c 5240 df-0 5241 df-1 5242 df-i 5243 df-r 5244 df-plus 5245 df-mul 5246 df-sub 5356 df-neg 5358 |