| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Induction on the upper
integers that start after an integer |
| Ref | Expression |
|---|---|
| uzind2.1 |
|
| uzind2.2 |
|
| uzind2.3 |
|
| uzind2.4 |
|
| uzind2.5 |
|
| uzind2.6 |
|
| Ref | Expression |
|---|---|
| uzind2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zltp1le 6349 |
. . 3
| |
| 2 | peano2z 6334 |
. . . . . . 7
| |
| 3 | uzind2.1 |
. . . . . . . . . 10
| |
| 4 | 3 | imbi2d 615 |
. . . . . . . . 9
|
| 5 | uzind2.2 |
. . . . . . . . . 10
| |
| 6 | 5 | imbi2d 615 |
. . . . . . . . 9
|
| 7 | uzind2.3 |
. . . . . . . . . 10
| |
| 8 | 7 | imbi2d 615 |
. . . . . . . . 9
|
| 9 | uzind2.4 |
. . . . . . . . . 10
| |
| 10 | 9 | imbi2d 615 |
. . . . . . . . 9
|
| 11 | uzind2.5 |
. . . . . . . . . 10
| |
| 12 | 11 | a1i 8 |
. . . . . . . . 9
|
| 13 | zltp1le 6349 |
. . . . . . . . . . . . . . 15
| |
| 14 | uzind2.6 |
. . . . . . . . . . . . . . . 16
| |
| 15 | 14 | 3expia 841 |
. . . . . . . . . . . . . . 15
|
| 16 | 13, 15 | sylbird 203 |
. . . . . . . . . . . . . 14
|
| 17 | 16 | ex 371 |
. . . . . . . . . . . . 13
|
| 18 | 17 | com3l 34 |
. . . . . . . . . . . 12
|
| 19 | 18 | imp 348 |
. . . . . . . . . . 11
|
| 20 | 19 | 3adant1 803 |
. . . . . . . . . 10
|
| 21 | 20 | a2d 13 |
. . . . . . . . 9
|
| 22 | 4, 6, 8, 10, 12, 21 | uzind 6376 |
. . . . . . . 8
|
| 23 | 22 | 3exp 838 |
. . . . . . 7
|
| 24 | 2, 23 | syl 10 |
. . . . . 6
|
| 25 | 24 | com34 36 |
. . . . 5
|
| 26 | 25 | pm2.43a 66 |
. . . 4
|
| 27 | 26 | imp 348 |
. . 3
|
| 28 | 1, 27 | sylbid 201 |
. 2
|
| 29 | 28 | 3impia 836 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: fsum1ps 7221 |
| 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-nel 1631 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-f1 3276 df-fo 3277 df-f1o 3278 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-en 4509 df-dom 4510 df-sdom 4511 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-mp 5243 df-ltp 5244 df-plpr 5318 df-mpr 5319 df-enr 5320 df-nr 5321 df-plr 5322 df-mr 5323 df-ltr 5324 df-0r 5325 df-1r 5326 df-m1r 5327 df-c 5394 df-0 5395 df-1 5396 df-i 5397 df-r 5398 df-plus 5399 df-mul 5400 df-lt 5401 df-sub 5510 df-neg 5512 df-pnf 5641 df-mnf 5642 df-xr 5643 df-ltxr 5644 df-le 5645 df-n 6070 df-n0 6268 df-z 6304 |