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Mirrors > Home > ILE Home > Th. List > nnindnn | Unicode version |
Description: Principle of Mathematical Induction (inference schema). This is a counterpart to nnind 8055 designed for real number axioms which involve natural numbers (notably, axcaucvg 7066). (Contributed by Jim Kingdon, 14-Jul-2021.) (New usage is discouraged.) |
Ref | Expression |
---|---|
nntopi.n | |
nnindnn.1 | |
nnindnn.y | |
nnindnn.y1 | |
nnindnn.a | |
nnindnn.basis | |
nnindnn.step |
Ref | Expression |
---|---|
nnindnn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nntopi.n | . . . . . . 7 | |
2 | 1 | peano1nnnn 7020 | . . . . . 6 |
3 | nnindnn.basis | . . . . . 6 | |
4 | nnindnn.1 | . . . . . . 7 | |
5 | 4 | elrab 2749 | . . . . . 6 |
6 | 2, 3, 5 | mpbir2an 883 | . . . . 5 |
7 | elrabi 2746 | . . . . . . 7 | |
8 | 1 | peano2nnnn 7021 | . . . . . . . . . 10 |
9 | 8 | a1d 22 | . . . . . . . . 9 |
10 | nnindnn.step | . . . . . . . . 9 | |
11 | 9, 10 | anim12d 328 | . . . . . . . 8 |
12 | nnindnn.y | . . . . . . . . 9 | |
13 | 12 | elrab 2749 | . . . . . . . 8 |
14 | nnindnn.y1 | . . . . . . . . 9 | |
15 | 14 | elrab 2749 | . . . . . . . 8 |
16 | 11, 13, 15 | 3imtr4g 203 | . . . . . . 7 |
17 | 7, 16 | mpcom 36 | . . . . . 6 |
18 | 17 | rgen 2416 | . . . . 5 |
19 | 1 | peano5nnnn 7058 | . . . . 5 |
20 | 6, 18, 19 | mp2an 416 | . . . 4 |
21 | 20 | sseli 2995 | . . 3 |
22 | nnindnn.a | . . . 4 | |
23 | 22 | elrab 2749 | . . 3 |
24 | 21, 23 | sylib 120 | . 2 |
25 | 24 | simprd 112 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wb 103 wceq 1284 wcel 1433 cab 2067 wral 2348 crab 2352 wss 2973 cint 3636 (class class class)co 5532 c1 6982 caddc 6984 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-coll 3893 ax-sep 3896 ax-nul 3904 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-setind 4280 ax-iinf 4329 |
This theorem depends on definitions: df-bi 115 df-dc 776 df-3or 920 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-ral 2353 df-rex 2354 df-reu 2355 df-rab 2357 df-v 2603 df-sbc 2816 df-csb 2909 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-nul 3252 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-iun 3680 df-br 3786 df-opab 3840 df-mpt 3841 df-tr 3876 df-eprel 4044 df-id 4048 df-po 4051 df-iso 4052 df-iord 4121 df-on 4123 df-suc 4126 df-iom 4332 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-res 4375 df-ima 4376 df-iota 4887 df-fun 4924 df-fn 4925 df-f 4926 df-f1 4927 df-fo 4928 df-f1o 4929 df-fv 4930 df-ov 5535 df-oprab 5536 df-mpt2 5537 df-1st 5787 df-2nd 5788 df-recs 5943 df-irdg 5980 df-1o 6024 df-2o 6025 df-oadd 6028 df-omul 6029 df-er 6129 df-ec 6131 df-qs 6135 df-ni 6494 df-pli 6495 df-mi 6496 df-lti 6497 df-plpq 6534 df-mpq 6535 df-enq 6537 df-nqqs 6538 df-plqqs 6539 df-mqqs 6540 df-1nqqs 6541 df-rq 6542 df-ltnqqs 6543 df-enq0 6614 df-nq0 6615 df-0nq0 6616 df-plq0 6617 df-mq0 6618 df-inp 6656 df-i1p 6657 df-iplp 6658 df-enr 6903 df-nr 6904 df-plr 6905 df-0r 6908 df-1r 6909 df-c 6987 df-1 6989 df-r 6991 df-add 6992 |
This theorem is referenced by: nntopi 7060 |
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