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| Description: Subtraction of a number from itself. |
| Ref | Expression |
|---|---|
| negneg.1 |
|
| Ref | Expression |
|---|---|
| subid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negneg.1 |
. . 3
| |
| 2 | 1, 1 | negsub 5368 |
. 2
|
| 3 | 1 | negid 5367 |
. 2
|
| 4 | 2, 3 | eqtr3 1496 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: subidt 5382 neg0 5402 mul01 5418 0reALT 5428 eqneg 5774 nnsub 5917 nn0subt 6122 uzindOLD 6170 seq1seqz 6491 seq00 6500 discrlem3 6608 nnesq 6612 faclbnd4lem4 6917 bcpasc 6937 binomlem6 7039 binom 7040 iserzex 7115 caucvg3t 7139 ser1clim0 7144 geoser 7205 fsum0diag 7229 ivthlem6 7257 ivthlem7 7258 ivthlem6OLD 7266 ivthlem7OLD 7267 efm1legeo 7393 ipcl 8351 eulerid 8666 sincosq1sgn 8685 bcseq 8970 0cnfn 9895 lnopeq0 9923 lnfn0 9962 hst1ht 10145 st0 10167 |
| 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 df-neg 5345 |