| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Two times a number. |
| Ref | Expression |
|---|---|
| 2times |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opreq2 4027 |
. . 3
| |
| 2 | id 59 |
. . . 4
| |
| 3 | 2, 2 | opreq12d 4036 |
. . 3
|
| 4 | 1, 3 | eqeq12d 1536 |
. 2
|
| 5 | 0cn 5393 |
. . . 4
| |
| 6 | 5 | elimel 2446 |
. . 3
|
| 7 | 6 | 2timesi 6064 |
. 2
|
| 8 | 4, 7 | dedth 2435 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: times2 6066 2halves 6100 halfaddsub 6102 avgle 6105 expubnd 6697 subsq2 6732 imcj 6909 absmax 6987 climaddlem3 7206 efival 7538 addsin 7548 subsin 7549 addcos 7550 subcos 7551 sin2t 7553 cos2t 7554 sin01bndlem3 7561 metge0 7904 bl2in 7928 ioo2bl 7997 nvge0 8386 cnph 8562 ubthlem11 8623 hmopidmchi 10162 cdj3lem1 10445 mslb1 10711 2wsms 10712 msra3 10713 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1003 ax-gen 1004 ax-8 1005 ax-9 1006 ax-10 1007 ax-11 1008 ax-12 1009 ax-13 1010 ax-14 1011 ax-17 1012 ax-4 1014 ax-5o 1016 ax-6o 1019 ax-9o 1164 ax-10o 1182 ax-16 1252 ax-11o 1260 ax-ext 1504 ax-rep 2748 ax-sep 2758 ax-nul 2765 ax-pow 2798 ax-pr 2835 ax-un 2922 ax-inf2 4687 |
| This theorem depends on definitions: df-bi 154 df-or 231 df-an 232 df-3or 788 df-3an 789 df-ex 1022 df-sb 1214 df-eu 1424 df-mo 1425 df-clab 1510 df-cleq 1515 df-clel 1518 df-ne 1634 df-ral 1696 df-rex 1697 df-reu 1698 df-rab 1699 df-v 1859 df-sbc 1989 df-csb 2052 df-dif 2100 df-un 2101 df-in 2102 df-ss 2104 df-pss 2106 df-nul 2332 df-if 2414 df-pw 2454 df-sn 2464 df-pr 2465 df-tp 2467 df-op 2468 df-uni 2558 df-int 2588 df-iun 2622 df-br 2675 df-opab 2722 df-tr 2736 df-eprel 2888 df-id 2891 df-po 2896 df-so 2906 df-fr 2974 df-we 2991 df-ord 3008 df-on 3009 df-lim 3010 df-suc 3011 df-om 3189 df-xp 3241 df-rel 3242 df-cnv 3243 df-co 3244 df-dm 3245 df-rn 3246 df-res 3247 df-ima 3248 df-fun 3249 df-fn 3250 df-f 3251 df-fv 3255 df-rdg 3990 df-opr 4023 df-oprab 4024 df-1st 4137 df-2nd 4138 df-1o 4191 df-oadd 4193 df-omul 4194 df-er 4319 df-ec 4321 df-qs 4324 df-ni 5065 df-pli 5066 df-mi 5067 df-lti 5068 df-plpq 5100 df-mpq 5101 df-enq 5102 df-nq 5103 df-plq 5104 df-mq 5105 df-rq 5106 df-ltq 5107 df-1q 5108 df-np 5151 df-1p 5152 df-plp 5153 df-mp 5154 df-ltp 5155 df-plpr 5229 df-mpr 5230 df-enr 5231 df-nr 5232 df-plr 5233 df-mr 5234 df-0r 5236 df-1r 5237 df-m1r 5238 df-c 5305 df-0 5306 df-1 5307 df-i 5308 df-r 5309 df-plus 5310 df-mul 5311 df-2 6031 |