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Mirrors > Home > ILE Home > Th. List > ztri3or | Unicode version |
Description: Integer trichotomy. (Contributed by Jim Kingdon, 14-Mar-2020.) |
Ref | Expression |
---|---|
ztri3or |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | zsubcl 9358 |
. . 3
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2 | ztri3or0 9359 |
. . 3
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3 | 1, 2 | syl 14 |
. 2
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4 | zre 9321 |
. . . . . 6
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5 | 4 | adantr 276 |
. . . . 5
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6 | zre 9321 |
. . . . . 6
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7 | 6 | adantl 277 |
. . . . 5
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8 | 5, 7 | posdifd 8551 |
. . . 4
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9 | 7, 5 | resubcld 8400 |
. . . . 5
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10 | 9 | lt0neg2d 8535 |
. . . 4
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11 | 7 | recnd 8048 |
. . . . . 6
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12 | 5 | recnd 8048 |
. . . . . 6
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13 | 11, 12 | negsubdi2d 8346 |
. . . . 5
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14 | 13 | breq1d 4039 |
. . . 4
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15 | 8, 10, 14 | 3bitrd 214 |
. . 3
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16 | 12, 11 | subeq0ad 8340 |
. . . 4
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17 | 16 | bicomd 141 |
. . 3
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18 | 7, 5 | posdifd 8551 |
. . 3
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19 | 15, 17, 18 | 3orbi123d 1322 |
. 2
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20 | 3, 19 | mpbird 167 |
1
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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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 ax-cnex 7963 ax-resscn 7964 ax-1cn 7965 ax-1re 7966 ax-icn 7967 ax-addcl 7968 ax-addrcl 7969 ax-mulcl 7970 ax-addcom 7972 ax-addass 7974 ax-distr 7976 ax-i2m1 7977 ax-0lt1 7978 ax-0id 7980 ax-rnegex 7981 ax-cnre 7983 ax-pre-ltirr 7984 ax-pre-ltwlin 7985 ax-pre-lttrn 7986 ax-pre-ltadd 7988 |
This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-reu 2479 df-rab 2481 df-v 2762 df-sbc 2986 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-br 4030 df-opab 4091 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-iota 5215 df-fun 5256 df-fv 5262 df-riota 5873 df-ov 5921 df-oprab 5922 df-mpo 5923 df-pnf 8056 df-mnf 8057 df-xr 8058 df-ltxr 8059 df-le 8060 df-sub 8192 df-neg 8193 df-inn 8983 df-n0 9241 df-z 9318 |
This theorem is referenced by: zletric 9361 zlelttric 9362 zltnle 9363 zleloe 9364 zapne 9391 zdceq 9392 zdcle 9393 zdclt 9394 uzm1 9623 qtri3or 10310 iseqf1olemkle 10568 iseqf1olemklt 10569 iswrdiz 10921 cvgratz 11675 divalglemeunn 12062 divalglemeuneg 12064 znege1 12316 lgsdilem 15143 |
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