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| 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 11735 |
. . . . . . . . . 10
| |
| 2 | 1 | breq1d 4118 |
. . . . . . . . 9
|
| 3 | sqrt0 11682 |
. . . . . . . . . 10
| |
| 4 | 3 | breq2i 4116 |
. . . . . . . . 9
|
| 5 | 2, 4 | bitr4di 198 |
. . . . . . . 8
|
| 6 | recl 11531 |
. . . . . . . . . . 11
| |
| 7 | 6 | resqcld 11057 |
. . . . . . . . . 10
|
| 8 | imcl 11532 |
. . . . . . . . . . 11
| |
| 9 | 8 | resqcld 11057 |
. . . . . . . . . 10
|
| 10 | 7, 9 | readdcld 8299 |
. . . . . . . . 9
|
| 11 | 6 | sqge0d 11058 |
. . . . . . . . . 10
|
| 12 | 8 | sqge0d 11058 |
. . . . . . . . . 10
|
| 13 | 7, 9, 11, 12 | addge0d 8792 |
. . . . . . . . 9
|
| 14 | 0red 8271 |
. . . . . . . . 9
| |
| 15 | 14 | leidd 8784 |
. . . . . . . . 9
|
| 16 | sqrt11ap 11716 |
. . . . . . . . 9
| |
| 17 | 10, 13, 14, 15, 16 | syl22anc 1275 |
. . . . . . . 8
|
| 18 | 5, 17 | bitrd 188 |
. . . . . . 7
|
| 19 | 00id 8410 |
. . . . . . . 8
| |
| 20 | 19 | breq2i 4116 |
. . . . . . 7
|
| 21 | 18, 20 | bitr4di 198 |
. . . . . 6
|
| 22 | 7 | recnd 8298 |
. . . . . . 7
|
| 23 | 9 | recnd 8298 |
. . . . . . 7
|
| 24 | 0cnd 8263 |
. . . . . . 7
| |
| 25 | addext 8880 |
. . . . . . 7
| |
| 26 | 22, 23, 24, 24, 25 | syl22anc 1275 |
. . . . . 6
|
| 27 | 21, 26 | sylbid 150 |
. . . . 5
|
| 28 | 6 | recnd 8298 |
. . . . . . 7
|
| 29 | 2nn 9395 |
. . . . . . 7
| |
| 30 | expap0 10927 |
. . . . . . 7
| |
| 31 | 28, 29, 30 | sylancl 413 |
. . . . . 6
|
| 32 | 8 | recnd 8298 |
. . . . . . 7
|
| 33 | expap0 10927 |
. . . . . . 7
| |
| 34 | 32, 29, 33 | sylancl 413 |
. . . . . 6
|
| 35 | 31, 34 | orbi12d 801 |
. . . . 5
|
| 36 | 27, 35 | sylibd 149 |
. . . 4
|
| 37 | crap0 9228 |
. . . . 5
| |
| 38 | 6, 8, 37 | syl2anc 411 |
. . . 4
|
| 39 | 36, 38 | sylibd 149 |
. . 3
|
| 40 | replim 11537 |
. . . 4
| |
| 41 | 40 | breq1d 4118 |
. . 3
|
| 42 | 39, 41 | sylibrd 169 |
. 2
|
| 43 | absrpclap 11739 |
. . . 4
| |
| 44 | 43 | rpap0d 10031 |
. . 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-coll 4224 ax-sep 4227 ax-nul 4235 ax-pow 4286 ax-pr 4321 ax-un 4553 ax-setind 4658 ax-iinf 4709 ax-cnex 8214 ax-resscn 8215 ax-1cn 8216 ax-1re 8217 ax-icn 8218 ax-addcl 8219 ax-addrcl 8220 ax-mulcl 8221 ax-mulrcl 8222 ax-addcom 8223 ax-mulcom 8224 ax-addass 8225 ax-mulass 8226 ax-distr 8227 ax-i2m1 8228 ax-0lt1 8229 ax-1rid 8230 ax-0id 8231 ax-rnegex 8232 ax-precex 8233 ax-cnre 8234 ax-pre-ltirr 8235 ax-pre-ltwlin 8236 ax-pre-lttrn 8237 ax-pre-apti 8238 ax-pre-ltadd 8239 ax-pre-mulgt0 8240 ax-pre-mulext 8241 ax-arch 8242 ax-caucvg 8243 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rmo 2528 df-rab 2529 df-v 2814 df-sbc 3042 df-csb 3138 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-nul 3508 df-if 3620 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-int 3949 df-iun 3992 df-br 4109 df-opab 4171 df-mpt 4172 df-tr 4208 df-id 4413 df-po 4416 df-iso 4417 df-iord 4486 df-on 4488 df-ilim 4489 df-suc 4491 df-iom 4712 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-rn 4759 df-res 4760 df-ima 4761 df-iota 5311 df-fun 5353 df-fn 5354 df-f 5355 df-f1 5356 df-fo 5357 df-f1o 5358 df-fv 5359 df-riota 6002 df-ov 6052 df-oprab 6053 df-mpo 6054 df-1st 6333 df-2nd 6334 df-recs 6535 df-frec 6621 df-pnf 8306 df-mnf 8307 df-xr 8308 df-ltxr 8309 df-le 8310 df-sub 8442 df-neg 8443 df-reap 8845 df-ap 8852 df-div 8943 df-inn 9234 df-2 9292 df-3 9293 df-4 9294 df-n0 9493 df-z 9574 df-uz 9850 df-rp 9983 df-seqfrec 10806 df-exp 10897 df-cj 11520 df-re 11521 df-im 11522 df-rsqrt 11676 df-abs 11677 |
| This theorem is referenced by: abs00 11742 absexpzap 11758 ltabs 11765 recvalap 11775 absgt0ap 11777 georeclim 12192 geoisumr 12197 cnopnap 15463 ltlenmkv 16842 |
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