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Mirrors > Home > ILE Home > Th. List > resubcl | Unicode version |
Description: Closure law for subtraction of reals. (Contributed by NM, 20-Jan-1997.) |
Ref | Expression |
---|---|
resubcl |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | recn 7753 | . . 3 | |
2 | recn 7753 | . . 3 | |
3 | negsub 8010 | . . 3 | |
4 | 1, 2, 3 | syl2an 287 | . 2 |
5 | renegcl 8023 | . . 3 | |
6 | readdcl 7746 | . . 3 | |
7 | 5, 6 | sylan2 284 | . 2 |
8 | 4, 7 | eqeltrrd 2217 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1331 wcel 1480 (class class class)co 5774 cc 7618 cr 7619 caddc 7623 cmin 7933 cneg 7934 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-setind 4452 ax-resscn 7712 ax-1cn 7713 ax-icn 7715 ax-addcl 7716 ax-addrcl 7717 ax-mulcl 7718 ax-addcom 7720 ax-addass 7722 ax-distr 7724 ax-i2m1 7725 ax-0id 7728 ax-rnegex 7729 ax-cnre 7731 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-reu 2423 df-rab 2425 df-v 2688 df-sbc 2910 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-iota 5088 df-fun 5125 df-fv 5131 df-riota 5730 df-ov 5777 df-oprab 5778 df-mpo 5779 df-sub 7935 df-neg 7936 |
This theorem is referenced by: peano2rem 8029 resubcld 8143 posdif 8217 lt2sub 8222 le2sub 8223 cju 8719 elz2 9122 difrp 9480 iooshf 9735 iccshftl 9779 lincmb01cmp 9786 uzsubsubfz 9827 difelfzle 9911 fzonmapblen 9964 eluzgtdifelfzo 9974 subfzo0 10019 modfzo0difsn 10168 expubnd 10350 absdiflt 10864 absdifle 10865 elicc4abs 10866 abssubge0 10874 abs2difabs 10880 maxabsle 10976 resin4p 11425 recos4p 11426 cos01bnd 11465 cos01gt0 11469 bl2ioo 12711 ioo2bl 12712 ioo2blex 12713 blssioo 12714 sincosq1sgn 12907 sincosq2sgn 12908 sincosq3sgn 12909 sincosq4sgn 12910 sinq12gt0 12911 cosq14gt0 12913 tangtx 12919 |
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