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Mirrors > Home > ILE Home > Th. List > xleneg | Unicode version |
Description: Extended real version of leneg 7688. (Contributed by Mario Carneiro, 20-Aug-2015.) |
Ref | Expression |
---|---|
xleneg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xltneg 9031 |
. . . 4
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2 | 1 | ancoms 264 |
. . 3
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3 | 2 | notbid 625 |
. 2
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4 | xrlenlt 7296 |
. 2
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5 | xnegcl 9027 |
. . 3
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6 | xnegcl 9027 |
. . 3
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7 | xrlenlt 7296 |
. . 3
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8 | 5, 6, 7 | syl2anr 284 |
. 2
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9 | 3, 4, 8 | 3bitr4d 218 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 577 ax-in2 578 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-13 1445 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2065 ax-sep 3916 ax-pow 3968 ax-pr 3992 ax-un 4216 ax-setind 4308 ax-cnex 7181 ax-resscn 7182 ax-1cn 7183 ax-1re 7184 ax-icn 7185 ax-addcl 7186 ax-addrcl 7187 ax-mulcl 7188 ax-addcom 7190 ax-addass 7192 ax-distr 7194 ax-i2m1 7195 ax-0id 7198 ax-rnegex 7199 ax-cnre 7201 ax-pre-ltadd 7206 |
This theorem depends on definitions: df-bi 115 df-3or 921 df-3an 922 df-tru 1288 df-fal 1291 df-nf 1391 df-sb 1688 df-eu 1946 df-mo 1947 df-clab 2070 df-cleq 2076 df-clel 2079 df-nfc 2212 df-ne 2250 df-nel 2345 df-ral 2358 df-rex 2359 df-reu 2360 df-rab 2362 df-v 2612 df-sbc 2825 df-dif 2984 df-un 2986 df-in 2988 df-ss 2995 df-if 3369 df-pw 3402 df-sn 3422 df-pr 3423 df-op 3425 df-uni 3622 df-br 3806 df-opab 3860 df-id 4076 df-xp 4397 df-rel 4398 df-cnv 4399 df-co 4400 df-dm 4401 df-iota 4917 df-fun 4954 df-fv 4960 df-riota 5519 df-ov 5566 df-oprab 5567 df-mpt2 5568 df-pnf 7269 df-mnf 7270 df-xr 7271 df-ltxr 7272 df-le 7273 df-sub 7400 df-neg 7401 df-xneg 8976 |
This theorem is referenced by: xle0neg1 9035 xle0neg2 9036 |
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