| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > abs00ap | Unicode version | ||
| Description: The absolute value of a number is apart from zero iff the number is apart from zero. (Contributed by Jim Kingdon, 11-Aug-2021.) |
| Ref | Expression |
|---|---|
| abs00ap |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | absval2 11806 |
. . . . . . . . . 10
| |
| 2 | 1 | breq1d 4138 |
. . . . . . . . 9
|
| 3 | sqrt0 11753 |
. . . . . . . . . 10
| |
| 4 | 3 | breq2i 4136 |
. . . . . . . . 9
|
| 5 | 2, 4 | bitr4di 198 |
. . . . . . . 8
|
| 6 | recl 11601 |
. . . . . . . . . . 11
| |
| 7 | 6 | resqcld 11120 |
. . . . . . . . . 10
|
| 8 | imcl 11602 |
. . . . . . . . . . 11
| |
| 9 | 8 | resqcld 11120 |
. . . . . . . . . 10
|
| 10 | 7, 9 | readdcld 8349 |
. . . . . . . . 9
|
| 11 | 6 | sqge0d 11121 |
. . . . . . . . . 10
|
| 12 | 8 | sqge0d 11121 |
. . . . . . . . . 10
|
| 13 | 7, 9, 11, 12 | addge0d 8844 |
. . . . . . . . 9
|
| 14 | 0red 8321 |
. . . . . . . . 9
| |
| 15 | 14 | leidd 8836 |
. . . . . . . . 9
|
| 16 | sqrt11ap 11787 |
. . . . . . . . 9
| |
| 17 | 10, 13, 14, 15, 16 | syl22anc 1279 |
. . . . . . . 8
|
| 18 | 5, 17 | bitrd 188 |
. . . . . . 7
|
| 19 | 00id 8461 |
. . . . . . . 8
| |
| 20 | 19 | breq2i 4136 |
. . . . . . 7
|
| 21 | 18, 20 | bitr4di 198 |
. . . . . 6
|
| 22 | 7 | recnd 8348 |
. . . . . . 7
|
| 23 | 9 | recnd 8348 |
. . . . . . 7
|
| 24 | 0cnd 8313 |
. . . . . . 7
| |
| 25 | addext 8932 |
. . . . . . 7
| |
| 26 | 22, 23, 24, 24, 25 | syl22anc 1279 |
. . . . . 6
|
| 27 | 21, 26 | sylbid 150 |
. . . . 5
|
| 28 | 6 | recnd 8348 |
. . . . . . 7
|
| 29 | 2nn 9449 |
. . . . . . 7
| |
| 30 | expap0 10989 |
. . . . . . 7
| |
| 31 | 28, 29, 30 | sylancl 417 |
. . . . . 6
|
| 32 | 8 | recnd 8348 |
. . . . . . 7
|
| 33 | expap0 10989 |
. . . . . . 7
| |
| 34 | 32, 29, 33 | sylancl 417 |
. . . . . 6
|
| 35 | 31, 34 | orbi12d 805 |
. . . . 5
|
| 36 | 27, 35 | sylibd 149 |
. . . 4
|
| 37 | crap0 9282 |
. . . . 5
| |
| 38 | 6, 8, 37 | syl2anc 415 |
. . . 4
|
| 39 | 36, 38 | sylibd 149 |
. . 3
|
| 40 | replim 11607 |
. . . 4
| |
| 41 | 40 | breq1d 4138 |
. . 3
|
| 42 | 39, 41 | sylibrd 169 |
. 2
|
| 43 | absrpclap 11810 |
. . . 4
| |
| 44 | 43 | rpap0d 10086 |
. . 3
|
| 45 | 44 | ex 115 |
. 2
|
| 46 | 42, 45 | impbid 129 |
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 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-coll 4244 ax-sep 4247 ax-nul 4257 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-iinf 4733 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-mulrcl 8272 ax-addcom 8273 ax-mulcom 8274 ax-addass 8275 ax-mulass 8276 ax-distr 8277 ax-i2m1 8278 ax-0lt1 8279 ax-1rid 8280 ax-0id 8281 ax-rnegex 8282 ax-precex 8283 ax-cnre 8284 ax-pre-ltirr 8285 ax-pre-ltwlin 8286 ax-pre-lttrn 8287 ax-pre-apti 8288 ax-pre-ltadd 8289 ax-pre-mulgt0 8290 ax-pre-mulext 8291 ax-arch 8292 ax-caucvg 8293 |
| This theorem depends on definitions: df-bi 117 df-dc 847 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-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-tr 4228 df-id 4436 df-po 4439 df-iso 4440 df-iord 4509 df-on 4511 df-ilim 4512 df-suc 4514 df-iom 4736 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-1st 6368 df-2nd 6369 df-recs 6570 df-frec 6656 df-pnf 8356 df-mnf 8357 df-xr 8358 df-ltxr 8359 df-le 8360 df-sub 8493 df-neg 8494 df-reap 8897 df-ap 8904 df-div 8997 df-inn 9288 df-2 9346 df-3 9347 df-4 9348 df-n0 9547 df-z 9628 df-uz 9905 df-rp 10038 df-seqfrec 10868 df-exp 10959 df-cj 11590 df-re 11591 df-im 11592 df-rsqrt 11747 df-abs 11748 |
| This theorem is referenced by: abs00 11813 absexpzap 11829 ltabs 11836 recvalap 11846 absgt0ap 11848 georeclim 12263 geoisumr 12268 cnopnap 15695 ltlenmkv 17094 |
| Copyright terms: Public domain | W3C validator |