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Mirrors > Home > ILE Home > Th. List > uzind3 | Unicode version |
Description: Induction on the upper integers that start at an integer . The first four hypotheses give us the substitution instances we need, and the last two are the basis and the induction step. (Contributed by NM, 26-Jul-2005.) |
Ref | Expression |
---|---|
uzind3.1 | |
uzind3.2 | |
uzind3.3 | |
uzind3.4 | |
uzind3.5 | |
uzind3.6 |
Ref | Expression |
---|---|
uzind3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq2 3969 | . . 3 | |
2 | 1 | elrab 2868 | . 2 |
3 | uzind3.1 | . . . 4 | |
4 | uzind3.2 | . . . 4 | |
5 | uzind3.3 | . . . 4 | |
6 | uzind3.4 | . . . 4 | |
7 | uzind3.5 | . . . 4 | |
8 | breq2 3969 | . . . . . . 7 | |
9 | 8 | elrab 2868 | . . . . . 6 |
10 | uzind3.6 | . . . . . 6 | |
11 | 9, 10 | sylan2br 286 | . . . . 5 |
12 | 11 | 3impb 1181 | . . . 4 |
13 | 3, 4, 5, 6, 7, 12 | uzind 9258 | . . 3 |
14 | 13 | 3expb 1186 | . 2 |
15 | 2, 14 | sylan2b 285 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1335 wcel 2128 crab 2439 class class class wbr 3965 (class class class)co 5818 c1 7716 caddc 7718 cle 7896 cz 9150 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-sep 4082 ax-pow 4134 ax-pr 4168 ax-un 4392 ax-setind 4494 ax-cnex 7806 ax-resscn 7807 ax-1cn 7808 ax-1re 7809 ax-icn 7810 ax-addcl 7811 ax-addrcl 7812 ax-mulcl 7813 ax-addcom 7815 ax-addass 7817 ax-distr 7819 ax-i2m1 7820 ax-0lt1 7821 ax-0id 7823 ax-rnegex 7824 ax-cnre 7826 ax-pre-ltirr 7827 ax-pre-ltwlin 7828 ax-pre-lttrn 7829 ax-pre-ltadd 7831 |
This theorem depends on definitions: df-bi 116 df-3or 964 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-reu 2442 df-rab 2444 df-v 2714 df-sbc 2938 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3773 df-int 3808 df-br 3966 df-opab 4026 df-id 4252 df-xp 4589 df-rel 4590 df-cnv 4591 df-co 4592 df-dm 4593 df-iota 5132 df-fun 5169 df-fv 5175 df-riota 5774 df-ov 5821 df-oprab 5822 df-mpo 5823 df-pnf 7897 df-mnf 7898 df-xr 7899 df-ltxr 7900 df-le 7901 df-sub 8031 df-neg 8032 df-inn 8817 df-n0 9074 df-z 9151 |
This theorem is referenced by: uzind4 9482 algfx 11909 |
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