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Mirrors > Home > ILE Home > Th. List > 0z | GIF version |
Description: Zero is an integer. (Contributed by NM, 12-Jan-2002.) |
Ref | Expression |
---|---|
0z | ⊢ 0 ∈ ℤ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0re 7790 | . 2 ⊢ 0 ∈ ℝ | |
2 | eqid 2140 | . . 3 ⊢ 0 = 0 | |
3 | 2 | 3mix1i 1154 | . 2 ⊢ (0 = 0 ∨ 0 ∈ ℕ ∨ -0 ∈ ℕ) |
4 | elz 9080 | . 2 ⊢ (0 ∈ ℤ ↔ (0 ∈ ℝ ∧ (0 = 0 ∨ 0 ∈ ℕ ∨ -0 ∈ ℕ))) | |
5 | 1, 3, 4 | mpbir2an 927 | 1 ⊢ 0 ∈ ℤ |
Colors of variables: wff set class |
Syntax hints: ∨ w3o 962 = wceq 1332 ∈ wcel 1481 ℝcr 7643 0cc0 7644 -cneg 7958 ℕcn 8744 ℤcz 9078 |
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-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-1re 7738 ax-addrcl 7741 ax-rnegex 7753 |
This theorem depends on definitions: df-bi 116 df-3or 964 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-rab 2426 df-v 2691 df-un 3080 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-br 3938 df-iota 5096 df-fv 5139 df-ov 5785 df-neg 7960 df-z 9079 |
This theorem is referenced by: 0zd 9090 nn0ssz 9096 znegcl 9109 zgt0ge1 9136 nn0n0n1ge2b 9154 nn0lt10b 9155 nnm1ge0 9161 gtndiv 9170 msqznn 9175 zeo 9180 nn0ind 9189 fnn0ind 9191 nn0uz 9384 1eluzge0 9396 eqreznegel 9433 qreccl 9461 qdivcl 9462 irrmul 9466 fz10 9857 fz01en 9864 fzpreddisj 9882 fzshftral 9919 fznn0 9924 fz1ssfz0 9928 fz0tp 9932 elfz0ubfz0 9933 1fv 9947 lbfzo0 9989 elfzonlteqm1 10018 fzo01 10024 fzo0to2pr 10026 fzo0to3tp 10027 flqge0nn0 10097 divfl0 10100 btwnzge0 10104 modqmulnn 10146 zmodfz 10150 modqid 10153 zmodid2 10156 q0mod 10159 modqmuladdnn0 10172 frecfzennn 10230 qexpclz 10345 facdiv 10516 bcval 10527 bcnn 10535 bcm1k 10538 bcval5 10541 bcpasc 10544 4bc2eq6 10552 hashinfom 10556 rexfiuz 10793 qabsor 10879 nn0abscl 10889 nnabscl 10904 climz 11093 climaddc1 11130 climmulc2 11132 climsubc1 11133 climsubc2 11134 climlec2 11142 binomlem 11284 binom 11285 bcxmas 11290 arisum2 11300 explecnv 11306 ef0lem 11403 dvdsval2 11532 dvdsdc 11537 moddvds 11538 dvds0 11544 0dvds 11549 zdvdsdc 11550 dvdscmulr 11558 dvdsmulcr 11559 dvdslelemd 11577 dvdsabseq 11581 divconjdvds 11583 alzdvds 11588 fzo0dvdseq 11591 odd2np1lem 11605 gcdmndc 11673 gcdsupex 11682 gcdsupcl 11683 gcd0val 11685 gcddvds 11688 gcd0id 11703 gcdid0 11704 gcdid 11710 bezoutlema 11723 bezoutlemb 11724 bezoutlembi 11729 dfgcd3 11734 dfgcd2 11738 gcdmultiplez 11745 dvdssq 11755 algcvgblem 11766 lcmmndc 11779 lcm0val 11782 dvdslcm 11786 lcmeq0 11788 lcmgcd 11795 lcmdvds 11796 lcmid 11797 3lcm2e6woprm 11803 6lcm4e12 11804 cncongr2 11821 sqrt2irrap 11894 dfphi2 11932 phiprmpw 11934 crth 11936 phimullem 11937 hashgcdeq 11940 ennnfonelemjn 11951 ennnfonelem1 11956 rpcxp0 13027 apdifflemr 13415 apdiff 13416 |
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