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| Mirrors > Home > ILE Home > Th. List > nn0ind | Unicode version | ||
| Description: Principle of Mathematical Induction (inference schema) on nonnegative integers. The first four hypotheses give us the substitution instances we need; the last two are the basis and the induction step. (Contributed by NM, 13-May-2004.) |
| Ref | Expression |
|---|---|
| nn0ind.1 |
|
| nn0ind.2 |
|
| nn0ind.3 |
|
| nn0ind.4 |
|
| nn0ind.5 |
|
| nn0ind.6 |
|
| Ref | Expression |
|---|---|
| nn0ind |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elnn0z 9662 |
. 2
| |
| 2 | 0z 9660 |
. . 3
| |
| 3 | nn0ind.1 |
. . . 4
| |
| 4 | nn0ind.2 |
. . . 4
| |
| 5 | nn0ind.3 |
. . . 4
| |
| 6 | nn0ind.4 |
. . . 4
| |
| 7 | nn0ind.5 |
. . . . 5
| |
| 8 | 7 | a1i 9 |
. . . 4
|
| 9 | elnn0z 9662 |
. . . . . 6
| |
| 10 | nn0ind.6 |
. . . . . 6
| |
| 11 | 9, 10 | sylbir 135 |
. . . . 5
|
| 12 | 11 | 3adant1 1046 |
. . . 4
|
| 13 | 3, 4, 5, 6, 8, 12 | uzind 9762 |
. . 3
|
| 14 | 2, 13 | mp3an1 1365 |
. 2
|
| 15 | 1, 14 | sylbi 121 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8271 ax-resscn 8272 ax-1cn 8273 ax-1re 8274 ax-icn 8275 ax-addcl 8276 ax-addrcl 8277 ax-mulcl 8278 ax-addcom 8280 ax-addass 8282 ax-distr 8284 ax-i2m1 8285 ax-0lt1 8286 ax-0id 8288 ax-rnegex 8289 ax-cnre 8291 ax-pre-ltirr 8292 ax-pre-ltwlin 8293 ax-pre-lttrn 8294 ax-pre-ltadd 8296 |
| This proof depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-opab 4193 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-iota 5337 df-fun 5379 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-pnf 8363 df-mnf 8364 df-xr 8365 df-ltxr 8366 df-le 8367 df-sub 8501 df-neg 8502 df-inn 9308 df-n0 9569 df-z 9650 |
| This theorem is used by: zindd 9769 uzaddcl 9996 frecfzennn 10878 mulexp 11030 expadd 11033 expmul 11036 leexp1a 11046 bernneq 11113 modqexp 11119 nn0ltexp2 11163 faccl 11189 facdiv 11192 facwordi 11194 faclbnd 11195 faclbnd6 11198 facubnd 11199 bccl 11221 wrdind 11510 wrd2ind 11511 cjexp 11674 absexp 11862 binom 12270 bcxmas 12275 fprodfac 12401 demoivreALT 12560 odd2np1lem 12658 bitsinv1 12748 alginv 12844 prmfac1 12950 pcfac 13152 ennnfonelemhf1o 13356 mhmmulg 14019 srgmulgass 14377 srgpcomp 14378 lmodvsmmulgdi 14744 cnfldexp 14998 assamulgscm 15127 expcn 15761 expcncf 15801 plycolemc 15950 rpcxpmul2 16110 eupth2fi 16886 depindlem2 16914 depindlem3 16915 |
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