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| Description: Identity law for addition. |
| Ref | Expression |
|---|---|
| addid1.1 |
|
| Ref | Expression |
|---|---|
| addid1i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addid1.1 |
. 2
| |
| 2 | addid1 5464 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: negsubi 5535 negnegi 5544 1re 5589 ltsubaddi 5748 addgt0i 5752 addge0i 5753 add20i 5756 ltnegi 5757 lesub0i 5766 ixi 5837 recextlem2 5839 nn0addcl 6288 sumsqne0i 6831 bernneq 6849 bernneqOLD 6850 nnesqi 6863 sqrlem1 6874 sqrlem15 6888 crulem 6937 addcji 6999 faclbnd4lem3 7153 bcpasci 7172 infcvglem2 7426 geolimilem 7440 ef0lem 7515 demoivre 7695 dscmet 8129 vc0 8435 ip0r 8624 ip2i 8743 pythi 8766 minveclem30 8834 sinhalfpilem 8946 eulerid 8950 sinperlem1 8953 efper 9019 normlem6 9257 normpythi 9285 normpari 9297 ocsh 9432 pjneli 9946 0lnfn 10188 lnopeq0i 10211 nlelshi 10272 unierri 10316 fsumltisumii 11885 fsumleisumii 11888 totbndbnd 12000 bfp 12065 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 998 ax-gen 999 ax-8 1000 ax-9 1001 ax-10 1002 ax-11 1003 ax-12 1004 ax-13 1005 ax-14 1006 ax-17 1007 ax-4 1009 ax-5o 1011 ax-6o 1014 ax-9o 1159 ax-10o 1177 ax-16 1247 ax-11o 1255 ax-ext 1500 ax-rep 2767 ax-sep 2777 ax-nul 2784 ax-pow 2818 ax-pr 2855 ax-un 3089 ax-inf2 4770 |
| This theorem depends on definitions: df-bi 145 df-or 222 df-an 223 df-3or 782 df-3an 783 df-ex 1017 df-sb 1209 df-eu 1421 df-mo 1422 df-clab 1506 df-cleq 1511 df-clel 1514 df-ne 1630 df-ral 1695 df-rex 1696 df-reu 1697 df-rab 1698 df-v 1858 df-sbc 1987 df-csb 2052 df-dif 2101 df-un 2102 df-in 2103 df-ss 2105 df-pss 2107 df-nul 2333 df-if 2416 df-pw 2459 df-sn 2470 df-pr 2471 df-tp 2473 df-op 2474 df-uni 2570 df-int 2601 df-iun 2635 df-br 2693 df-opab 2741 df-tr 2755 df-eprel 2910 df-id 2913 df-po 2918 df-so 2929 df-fr 2947 df-we 2962 df-ord 2978 df-on 2979 df-lim 2980 df-suc 2981 df-om 3219 df-xp 3265 df-rel 3266 df-cnv 3267 df-co 3268 df-dm 3269 df-rn 3270 df-res 3271 df-ima 3272 df-fun 3273 df-fn 3274 df-f 3275 df-fv 3279 df-opr 4023 df-oprab 4024 df-1st 4140 df-2nd 4141 df-rdg 4233 df-1o 4269 df-oadd 4271 df-omul 4272 df-er 4401 df-ec 4403 df-qs 4406 df-ni 5154 df-pli 5155 df-mi 5156 df-lti 5157 df-plpq 5189 df-mpq 5190 df-enq 5191 df-nq 5192 df-plq 5193 df-mq 5194 df-rq 5195 df-ltq 5196 df-1q 5197 df-np 5240 df-1p 5241 df-plp 5242 df-ltp 5244 df-plpr 5318 df-enr 5320 df-nr 5321 df-plr 5322 df-0r 5325 df-c 5394 df-0 5395 df-plus 5399 |