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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 11368 |
. . . . . . . . . 10
| |
| 2 | 1 | breq1d 4054 |
. . . . . . . . 9
|
| 3 | sqrt0 11315 |
. . . . . . . . . 10
| |
| 4 | 3 | breq2i 4052 |
. . . . . . . . 9
|
| 5 | 2, 4 | bitr4di 198 |
. . . . . . . 8
|
| 6 | recl 11164 |
. . . . . . . . . . 11
| |
| 7 | 6 | resqcld 10844 |
. . . . . . . . . 10
|
| 8 | imcl 11165 |
. . . . . . . . . . 11
| |
| 9 | 8 | resqcld 10844 |
. . . . . . . . . 10
|
| 10 | 7, 9 | readdcld 8102 |
. . . . . . . . 9
|
| 11 | 6 | sqge0d 10845 |
. . . . . . . . . 10
|
| 12 | 8 | sqge0d 10845 |
. . . . . . . . . 10
|
| 13 | 7, 9, 11, 12 | addge0d 8595 |
. . . . . . . . 9
|
| 14 | 0red 8073 |
. . . . . . . . 9
| |
| 15 | 14 | leidd 8587 |
. . . . . . . . 9
|
| 16 | sqrt11ap 11349 |
. . . . . . . . 9
| |
| 17 | 10, 13, 14, 15, 16 | syl22anc 1251 |
. . . . . . . 8
|
| 18 | 5, 17 | bitrd 188 |
. . . . . . 7
|
| 19 | 00id 8213 |
. . . . . . . 8
| |
| 20 | 19 | breq2i 4052 |
. . . . . . 7
|
| 21 | 18, 20 | bitr4di 198 |
. . . . . 6
|
| 22 | 7 | recnd 8101 |
. . . . . . 7
|
| 23 | 9 | recnd 8101 |
. . . . . . 7
|
| 24 | 0cnd 8065 |
. . . . . . 7
| |
| 25 | addext 8683 |
. . . . . . 7
| |
| 26 | 22, 23, 24, 24, 25 | syl22anc 1251 |
. . . . . 6
|
| 27 | 21, 26 | sylbid 150 |
. . . . 5
|
| 28 | 6 | recnd 8101 |
. . . . . . 7
|
| 29 | 2nn 9198 |
. . . . . . 7
| |
| 30 | expap0 10714 |
. . . . . . 7
| |
| 31 | 28, 29, 30 | sylancl 413 |
. . . . . 6
|
| 32 | 8 | recnd 8101 |
. . . . . . 7
|
| 33 | expap0 10714 |
. . . . . . 7
| |
| 34 | 32, 29, 33 | sylancl 413 |
. . . . . 6
|
| 35 | 31, 34 | orbi12d 795 |
. . . . 5
|
| 36 | 27, 35 | sylibd 149 |
. . . 4
|
| 37 | crap0 9031 |
. . . . 5
| |
| 38 | 6, 8, 37 | syl2anc 411 |
. . . 4
|
| 39 | 36, 38 | sylibd 149 |
. . 3
|
| 40 | replim 11170 |
. . . 4
| |
| 41 | 40 | breq1d 4054 |
. . 3
|
| 42 | 39, 41 | sylibrd 169 |
. 2
|
| 43 | absrpclap 11372 |
. . . 4
| |
| 44 | 43 | rpap0d 9824 |
. . 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 615 ax-in2 616 ax-io 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-13 2178 ax-14 2179 ax-ext 2187 ax-coll 4159 ax-sep 4162 ax-nul 4170 ax-pow 4218 ax-pr 4253 ax-un 4480 ax-setind 4585 ax-iinf 4636 ax-cnex 8016 ax-resscn 8017 ax-1cn 8018 ax-1re 8019 ax-icn 8020 ax-addcl 8021 ax-addrcl 8022 ax-mulcl 8023 ax-mulrcl 8024 ax-addcom 8025 ax-mulcom 8026 ax-addass 8027 ax-mulass 8028 ax-distr 8029 ax-i2m1 8030 ax-0lt1 8031 ax-1rid 8032 ax-0id 8033 ax-rnegex 8034 ax-precex 8035 ax-cnre 8036 ax-pre-ltirr 8037 ax-pre-ltwlin 8038 ax-pre-lttrn 8039 ax-pre-apti 8040 ax-pre-ltadd 8041 ax-pre-mulgt0 8042 ax-pre-mulext 8043 ax-arch 8044 ax-caucvg 8045 |
| This theorem depends on definitions: df-bi 117 df-dc 837 df-3or 982 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ne 2377 df-nel 2472 df-ral 2489 df-rex 2490 df-reu 2491 df-rmo 2492 df-rab 2493 df-v 2774 df-sbc 2999 df-csb 3094 df-dif 3168 df-un 3170 df-in 3172 df-ss 3179 df-nul 3461 df-if 3572 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-uni 3851 df-int 3886 df-iun 3929 df-br 4045 df-opab 4106 df-mpt 4107 df-tr 4143 df-id 4340 df-po 4343 df-iso 4344 df-iord 4413 df-on 4415 df-ilim 4416 df-suc 4418 df-iom 4639 df-xp 4681 df-rel 4682 df-cnv 4683 df-co 4684 df-dm 4685 df-rn 4686 df-res 4687 df-ima 4688 df-iota 5232 df-fun 5273 df-fn 5274 df-f 5275 df-f1 5276 df-fo 5277 df-f1o 5278 df-fv 5279 df-riota 5899 df-ov 5947 df-oprab 5948 df-mpo 5949 df-1st 6226 df-2nd 6227 df-recs 6391 df-frec 6477 df-pnf 8109 df-mnf 8110 df-xr 8111 df-ltxr 8112 df-le 8113 df-sub 8245 df-neg 8246 df-reap 8648 df-ap 8655 df-div 8746 df-inn 9037 df-2 9095 df-3 9096 df-4 9097 df-n0 9296 df-z 9373 df-uz 9649 df-rp 9776 df-seqfrec 10593 df-exp 10684 df-cj 11153 df-re 11154 df-im 11155 df-rsqrt 11309 df-abs 11310 |
| This theorem is referenced by: abs00 11375 absexpzap 11391 ltabs 11398 recvalap 11408 absgt0ap 11410 georeclim 11824 geoisumr 11829 cnopnap 15083 ltlenmkv 16009 |
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