| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > resqrexlemdecn | Unicode version | ||
| Description: Lemma for resqrex 11558. The sequence is decreasing. (Contributed by Jim Kingdon, 31-Jul-2021.) |
| Ref | Expression |
|---|---|
| resqrexlemex.seq |
|
| resqrexlemex.a |
|
| resqrexlemex.agt0 |
|
| resqrexlemdecn.n |
|
| resqrexlemdecn.m |
|
| resqrexlemdecn.nm |
|
| Ref | Expression |
|---|---|
| resqrexlemdecn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resqrexlemdecn.n |
. . . . 5
| |
| 2 | 1 | nnzd 9584 |
. . . 4
|
| 3 | 2 | peano2zd 9588 |
. . 3
|
| 4 | resqrexlemdecn.m |
. . . 4
| |
| 5 | 4 | nnzd 9584 |
. . 3
|
| 6 | resqrexlemdecn.nm |
. . . 4
| |
| 7 | nnltp1le 9523 |
. . . . 5
| |
| 8 | 1, 4, 7 | syl2anc 411 |
. . . 4
|
| 9 | 6, 8 | mpbid 147 |
. . 3
|
| 10 | fveq2 5632 |
. . . . . 6
| |
| 11 | 10 | breq1d 4093 |
. . . . 5
|
| 12 | 11 | imbi2d 230 |
. . . 4
|
| 13 | fveq2 5632 |
. . . . . 6
| |
| 14 | 13 | breq1d 4093 |
. . . . 5
|
| 15 | 14 | imbi2d 230 |
. . . 4
|
| 16 | fveq2 5632 |
. . . . . 6
| |
| 17 | 16 | breq1d 4093 |
. . . . 5
|
| 18 | 17 | imbi2d 230 |
. . . 4
|
| 19 | fveq2 5632 |
. . . . . 6
| |
| 20 | 19 | breq1d 4093 |
. . . . 5
|
| 21 | 20 | imbi2d 230 |
. . . 4
|
| 22 | resqrexlemex.seq |
. . . . . . 7
| |
| 23 | resqrexlemex.a |
. . . . . . 7
| |
| 24 | resqrexlemex.agt0 |
. . . . . . 7
| |
| 25 | 22, 23, 24 | resqrexlemdec 11543 |
. . . . . 6
|
| 26 | 1, 25 | mpdan 421 |
. . . . 5
|
| 27 | 26 | a1i 9 |
. . . 4
|
| 28 | 22, 23, 24 | resqrexlemf 11539 |
. . . . . . . . . . 11
|
| 29 | 28 | ad2antrr 488 |
. . . . . . . . . 10
|
| 30 | simplr2 1064 |
. . . . . . . . . . . 12
| |
| 31 | 1red 8177 |
. . . . . . . . . . . . 13
| |
| 32 | 3 | ad2antrr 488 |
. . . . . . . . . . . . . 14
|
| 33 | 32 | zred 9585 |
. . . . . . . . . . . . 13
|
| 34 | 30 | zred 9585 |
. . . . . . . . . . . . 13
|
| 35 | 1 | nnred 9139 |
. . . . . . . . . . . . . . . 16
|
| 36 | 1 | nngt0d 9170 |
. . . . . . . . . . . . . . . 16
|
| 37 | 0re 8162 |
. . . . . . . . . . . . . . . . 17
| |
| 38 | ltle 8250 |
. . . . . . . . . . . . . . . . 17
| |
| 39 | 37, 38 | mpan 424 |
. . . . . . . . . . . . . . . 16
|
| 40 | 35, 36, 39 | sylc 62 |
. . . . . . . . . . . . . . 15
|
| 41 | 1red 8177 |
. . . . . . . . . . . . . . . 16
| |
| 42 | 41, 35 | addge02d 8697 |
. . . . . . . . . . . . . . 15
|
| 43 | 40, 42 | mpbid 147 |
. . . . . . . . . . . . . 14
|
| 44 | 43 | ad2antrr 488 |
. . . . . . . . . . . . 13
|
| 45 | simplr3 1065 |
. . . . . . . . . . . . 13
| |
| 46 | 31, 33, 34, 44, 45 | letrd 8286 |
. . . . . . . . . . . 12
|
| 47 | elnnz1 9485 |
. . . . . . . . . . . 12
| |
| 48 | 30, 46, 47 | sylanbrc 417 |
. . . . . . . . . . 11
|
| 49 | 48 | peano2nnd 9141 |
. . . . . . . . . 10
|
| 50 | 29, 49 | ffvelcdmd 5776 |
. . . . . . . . 9
|
| 51 | 50 | rpred 9909 |
. . . . . . . 8
|
| 52 | 29, 48 | ffvelcdmd 5776 |
. . . . . . . . 9
|
| 53 | 52 | rpred 9909 |
. . . . . . . 8
|
| 54 | 1 | ad2antrr 488 |
. . . . . . . . . 10
|
| 55 | 29, 54 | ffvelcdmd 5776 |
. . . . . . . . 9
|
| 56 | 55 | rpred 9909 |
. . . . . . . 8
|
| 57 | simpll 527 |
. . . . . . . . 9
| |
| 58 | 22, 23, 24 | resqrexlemdec 11543 |
. . . . . . . . 9
|
| 59 | 57, 48, 58 | syl2anc 411 |
. . . . . . . 8
|
| 60 | simpr 110 |
. . . . . . . 8
| |
| 61 | 51, 53, 56, 59, 60 | lttrd 8288 |
. . . . . . 7
|
| 62 | 61 | ex 115 |
. . . . . 6
|
| 63 | 62 | expcom 116 |
. . . . 5
|
| 64 | 63 | a2d 26 |
. . . 4
|
| 65 | 12, 15, 18, 21, 27, 64 | uzind 9574 |
. . 3
|
| 66 | 3, 5, 9, 65 | syl3anc 1271 |
. 2
|
| 67 | 66 | pm2.43i 49 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-nul 4210 ax-pow 4259 ax-pr 4294 ax-un 4525 ax-setind 4630 ax-iinf 4681 ax-cnex 8106 ax-resscn 8107 ax-1cn 8108 ax-1re 8109 ax-icn 8110 ax-addcl 8111 ax-addrcl 8112 ax-mulcl 8113 ax-mulrcl 8114 ax-addcom 8115 ax-mulcom 8116 ax-addass 8117 ax-mulass 8118 ax-distr 8119 ax-i2m1 8120 ax-0lt1 8121 ax-1rid 8122 ax-0id 8123 ax-rnegex 8124 ax-precex 8125 ax-cnre 8126 ax-pre-ltirr 8127 ax-pre-ltwlin 8128 ax-pre-lttrn 8129 ax-pre-apti 8130 ax-pre-ltadd 8131 ax-pre-mulgt0 8132 ax-pre-mulext 8133 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-if 3603 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-tr 4183 df-id 4385 df-po 4388 df-iso 4389 df-iord 4458 df-on 4460 df-ilim 4461 df-suc 4463 df-iom 4684 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-rn 4731 df-res 4732 df-ima 4733 df-iota 5281 df-fun 5323 df-fn 5324 df-f 5325 df-f1 5326 df-fo 5327 df-f1o 5328 df-fv 5329 df-riota 5963 df-ov 6013 df-oprab 6014 df-mpo 6015 df-1st 6295 df-2nd 6296 df-recs 6462 df-frec 6548 df-pnf 8199 df-mnf 8200 df-xr 8201 df-ltxr 8202 df-le 8203 df-sub 8335 df-neg 8336 df-reap 8738 df-ap 8745 df-div 8836 df-inn 9127 df-2 9185 df-3 9186 df-4 9187 df-n0 9386 df-z 9463 df-uz 9739 df-rp 9867 df-seqfrec 10687 df-exp 10778 |
| This theorem is referenced by: resqrexlemnm 11550 resqrexlemcvg 11551 resqrexlemoverl 11553 resqrexlemglsq 11554 |
| Copyright terms: Public domain | W3C validator |