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| Description: Identity law for multiplication. |
| Ref | Expression |
|---|---|
| addid1.1 |
|
| Ref | Expression |
|---|---|
| mulid1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addid1.1 |
. 2
| |
| 2 | ax1id 5282 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: mulid2 5333 lt01 5680 muleqaddt 5700 divrec 5737 recrec 5769 rec11i 5777 3t3e9 6024 halfpm6th 6032 nneo 6197 1expt 6584 mulexpt 6594 recexpt 6595 expubndt 6608 sqreci 6619 nnlesq 6661 nnesq 6662 nn0opthlem1 6664 sqrlem2 6674 sqr1 6716 i4 6734 rei 6824 imi 6825 cji 6827 facp1t 6936 faclbnd4lem1 6948 bcpasc2 6967 binomlem6 7071 binom 7072 fnsmnt 7226 0.999... 7246 erelem2 7320 ef1tllem 7381 eirrlem1 7389 eflt 7406 efcnlem1 7419 efcnlem2 7420 efivalt 7447 sin01bndlem1 7467 sin01bndlem3 7469 cos2bnd 7475 vcnegneg 8193 nvnncan 8283 ipid 8363 ipdirilem 8488 ubthlem8 8536 cos2pi 8685 avril1 8784 hvnegdi 8929 hisubcom 8970 projlem4 9189 honegnegt 9732 lnophmlem2 9942 nmopadjlem 10022 nmopcoadj 10034 unierr 10037 |
| 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-1 5242 df-mul 5246 |