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| Mirrors > Home > MPE Home > Th. List > lbfzo0 | Structured version Visualization version GIF version | ||
| Description: An integer is strictly greater than zero iff it is a member of ℕ. (Contributed by Mario Carneiro, 29-Sep-2015.) |
| Ref | Expression |
|---|---|
| lbfzo0 | ⊢ (0 ∈ (0..^𝐴) ↔ 𝐴 ∈ ℕ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0z 12629 | . . 3 ⊢ 0 ∈ ℤ | |
| 2 | 3anass 1111 | . . 3 ⊢ ((0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴) ↔ (0 ∈ ℤ ∧ (𝐴 ∈ ℤ ∧ 0 < 𝐴))) | |
| 3 | 1, 2 | mpbiran 722 | . 2 ⊢ ((0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴) ↔ (𝐴 ∈ ℤ ∧ 0 < 𝐴)) |
| 4 | fzolb 13723 | . 2 ⊢ (0 ∈ (0..^𝐴) ↔ (0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴)) | |
| 5 | elnnz 12628 | . 2 ⊢ (𝐴 ∈ ℕ ↔ (𝐴 ∈ ℤ ∧ 0 < 𝐴)) | |
| 6 | 3, 4, 5 | 3bitr4i 306 | 1 ⊢ (0 ∈ (0..^𝐴) ↔ 𝐴 ∈ ℕ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 401 ∧ w3a 1103 ∈ wcel 2145 class class class wbr 5107 (class class class)co 7416 0cc0 11127 < clt 11270 ℕcn 12260 ℤcz 12618 ..^cfzo 13711 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7866 df-1st 7989 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-n0 12532 df-z 12619 df-uz 12891 df-fz 13564 df-fzo 13712 |
| This theorem is used by: elfzo0 13758 fzo0n0 13774 fzo0end 13816 fvf1tp 13852 tpf1ofv0 14563 tpfo 14567 wrdsymb1 14620 ccatfv0 14651 ccat1st1st 14698 ccat2s1p1 14699 lswccats1fst 14705 swrdfv0 14719 pfxn0 14758 pfxfv0 14763 pfxtrcfv0 14765 pfx1 14774 cats1un 14792 revs1 14836 repswfsts 14854 cshwidx0mod 14878 cshw1 14895 scshwfzeqfzo 14899 cats1fvn 14931 pfx2 15020 nnnn0modprm0 16902 cshwrepswhash1 17198 chnccat 18718 efgsval2 19864 efgs1b 19867 efgsp1 19868 efgsres 19869 efgredlemd 19875 efgredlem 19878 efgrelexlemb 19881 pgpfaclem1 20214 dchrisumlem3 27728 tgcgr4 28874 wlkonl1iedg 30124 usgr2pthlem 30229 pthdlem2lem 30233 lfgrn1cycl 30274 uspgrn2crct 30277 crctcshwlkn0lem6 30284 0enwwlksnge1 30333 wwlksm1edg 30350 wwlksnwwlksnon 30384 clwlkclwwlklem2 30471 clwlkclwwlkf1lem3 30477 clwwlkel 30517 clwwlkf1 30520 umgr2cwwk2dif 30535 clwwlknonwwlknonb 30577 upgr3v3e3cycl 30661 upgr4cycl4dv4e 30666 2clwwlk2clwwlk 30831 cycpmco2lem4 33571 cycpmco2lem5 33572 cycpmrn 33585 lmatcl 34328 fib0 34912 signsvtn0 35080 reprpmtf1o 35136 poimirlem3 38374 amgm2d 45040 amgm3d 45041 amgm4d 45042 iccpartigtl 48325 iccpartlt 48326 gpgprismgriedgdmss 48970 gpg3kgrtriex 49007 gpgprismgr4cycllem3 49015 gpgprismgr4cycllem9 49021 gpg5edgnedg 49048 grlimedgnedg 49049 amgmw2d 50824 |
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