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| Mirrors > Home > ILE Home > Th. List > zsubcl | Unicode version | ||
| Description: Closure of subtraction of integers. (Contributed by NM, 11-May-2004.) |
| Ref | Expression |
|---|---|
| zsubcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zcn 9379 |
. . 3
| |
| 2 | zcn 9379 |
. . 3
| |
| 3 | negsub 8322 |
. . 3
| |
| 4 | 1, 2, 3 | syl2an 289 |
. 2
|
| 5 | znegcl 9405 |
. . 3
| |
| 6 | zaddcl 9414 |
. . 3
| |
| 7 | 5, 6 | sylan2 286 |
. 2
|
| 8 | 4, 7 | eqeltrrd 2283 |
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-sep 4163 ax-pow 4219 ax-pr 4254 ax-un 4481 ax-setind 4586 ax-cnex 8018 ax-resscn 8019 ax-1cn 8020 ax-1re 8021 ax-icn 8022 ax-addcl 8023 ax-addrcl 8024 ax-mulcl 8025 ax-addcom 8027 ax-addass 8029 ax-distr 8031 ax-i2m1 8032 ax-0lt1 8033 ax-0id 8035 ax-rnegex 8036 ax-cnre 8038 ax-pre-ltirr 8039 ax-pre-ltwlin 8040 ax-pre-lttrn 8041 ax-pre-ltadd 8043 |
| This theorem depends on definitions: df-bi 117 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-rab 2493 df-v 2774 df-sbc 2999 df-dif 3168 df-un 3170 df-in 3172 df-ss 3179 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-uni 3851 df-int 3886 df-br 4046 df-opab 4107 df-id 4341 df-xp 4682 df-rel 4683 df-cnv 4684 df-co 4685 df-dm 4686 df-iota 5233 df-fun 5274 df-fv 5280 df-riota 5901 df-ov 5949 df-oprab 5950 df-mpo 5951 df-pnf 8111 df-mnf 8112 df-xr 8113 df-ltxr 8114 df-le 8115 df-sub 8247 df-neg 8248 df-inn 9039 df-n0 9298 df-z 9375 |
| This theorem is referenced by: ztri3or 9417 zrevaddcl 9425 znnsub 9426 nzadd 9427 znn0sub 9440 zneo 9476 zsubcld 9502 eluzsubi 9678 fzen 10167 uzsubsubfz 10171 fzrev 10208 fzrev2 10209 fzrevral2 10230 fzshftral 10232 fz0fzdiffz0 10254 difelfzle 10258 difelfznle 10259 fzo0n 10292 elfzomelpfzo 10362 zmodcl 10491 frecfzen2 10574 facndiv 10886 bccmpl 10901 bcpasc 10913 hashfz 10968 swrdspsleq 11123 moddvds 12143 modmulconst 12167 dvds2sub 12170 dvdssub2 12179 dvdssubr 12183 fzocongeq 12202 3dvds 12208 odd2np1 12217 omoe 12240 omeo 12242 divalgb 12269 divalgmod 12271 ndvdsadd 12275 nn0seqcvgd 12396 congr 12455 cncongr1 12458 cncongr2 12459 prmdiv 12590 prmdiveq 12591 pythagtriplem4 12624 pythagtriplem8 12628 difsqpwdvds 12694 gausslemma2dlem6 15577 lgsquadlem1 15587 |
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