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| Description: Closure law for subtraction. |
| Ref | Expression |
|---|---|
| subclt |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opreq1 3965 |
. . 3
| |
| 2 | 1 | eleq1d 1539 |
. 2
|
| 3 | opreq2 3966 |
. . 3
| |
| 4 | 3 | eleq1d 1539 |
. 2
|
| 5 | 0cn 5315 |
. . . 4
| |
| 6 | 5 | elimel 2392 |
. . 3
|
| 7 | 5 | elimel 2392 |
. . 3
|
| 8 | 6, 7 | subcl 5353 |
. 2
|
| 9 | 2, 4, 8 | dedth2h 2385 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: negclt 5355 subopr 5357 pncan3t 5364 addsubt 5371 addsub12t 5373 npncant 5387 nppcant 5388 subdit 5414 subdirt 5415 subsub2t 5448 subsub4t 5451 nnncant 5453 nnncan1t 5454 nnncan2t 5455 subadd4t 5462 pnpcant 5465 recextlem1 5669 recext 5671 muleqaddt 5683 halfaddsubcl 6001 halfaddsubt 6002 elnnnn0 6133 uzindOLD 6170 shftval2t 6302 2shft 6307 shftcan2t 6308 seq1seq02t 6493 seqzp1 6498 seq0p1 6501 seqzval2t 6503 subsqt 6592 subsq2t 6593 cjclt 6717 sqabssubt 6811 abs3dift 6864 abs2dift 6867 abs2difabst 6868 caubnd 6892 caure 6893 cauim 6894 ser1absdiflem 6895 fsumconst 7006 clm4le 7049 2climnn 7070 2climnn0 7071 climrecl 7078 climaddlem3 7085 climmullem3 7091 climmullem4 7092 climmullem5 7093 climabslem 7117 climcj 7119 climre 7120 climim 7121 climcau 7125 serzf0 7140 ser1f0 7141 cvgcmp3c 7157 georeclim 7211 geoisumr 7214 geoisum1c 7216 abscncflem 7245 recncf 7247 imcncf 7248 cjcncf 7249 mulc1cncf 7250 efaddlem16 7331 sinclt 7409 sinnegt 7420 efivalt 7425 addsint 7435 subcost 7438 cnmet 7887 ioo2bl 7895 subcn 7970 sm1cnilem 8333 ipval2 8343 4ipval2 8344 4ipval3 8348 ipcj 8353 sinco 8650 efimpi 8679 hvmulcan2t 8924 occllem6 9166 pjthlem8 9214 lnfncon 9981 mslb1 10580 2wsms 10581 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 961 ax-gen 962 ax-8 963 ax-9 964 ax-10 965 ax-11 966 ax-12 967 ax-13 968 ax-14 969 ax-17 970 ax-4 972 ax-5o 974 ax-6o 977 ax-9o 1122 ax-10o 1139 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2690 ax-sep 2700 ax-nul 2707 ax-pow 2739 ax-pr 2776 ax-un 2863 ax-inf2 4612 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 775 df-3an 776 df-ex 980 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1586 df-ral 1648 df-rex 1649 df-reu 1650 df-rab 1651 df-v 1810 df-sbc 1940 df-csb 2000 df-dif 2047 df-un 2048 df-in 2049 df-ss 2051 df-pss 2053 df-nul 2279 df-if 2360 df-pw 2400 df-sn 2410 df-pr 2411 df-tp 2413 df-op 2414 df-uni 2501 df-int 2531 df-iun 2565 df-br 2617 df-opab 2664 df-tr 2678 df-eprel 2829 df-id 2832 df-po 2837 df-so 2847 df-fr 2914 df-we 2931 df-ord 2948 df-on 2949 df-lim 2950 df-suc 2951 df-om 3129 df-xp 3181 df-rel 3182 df-cnv 3183 df-co 3184 df-dm 3185 df-rn 3186 df-res 3187 df-ima 3188 df-fun 3189 df-fn 3190 df-f 3191 df-fv 3195 df-rdg 3929 df-opr 3962 df-oprab 3963 df-1st 4076 df-2nd 4077 df-1o 4130 df-oadd 4132 df-omul 4133 df-er 4258 df-ec 4260 df-qs 4263 df-ni 4987 df-pli 4988 df-mi 4989 df-lti 4990 df-plpq 5022 df-mpq 5023 df-enq 5024 df-nq 5025 df-plq 5026 df-mq 5027 df-rq 5028 df-ltq 5029 df-1q 5030 df-np 5073 df-1p 5074 df-plp 5075 df-mp 5076 df-ltp 5077 df-plpr 5151 df-mpr 5152 df-enr 5153 df-nr 5154 df-plr 5155 df-mr 5156 df-0r 5158 df-1r 5159 df-m1r 5160 df-c 5227 df-0 5228 df-1 5229 df-i 5230 df-r 5231 df-plus 5232 df-mul 5233 df-sub 5343 |