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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 12685 | . . 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 13780 | . 2 ⊢ (0 ∈ (0..^𝐴) ↔ (0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴)) | |
| 5 | elnnz 12684 | . 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 5103 (class class class)co 7412 0cc0 11181 < clt 11324 ℕcn 12316 ℤcz 12674 ..^cfzo 13768 |
| 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 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8701 df-en 8958 df-dom 8959 df-sdom 8960 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-nn 12317 df-n0 12588 df-z 12675 df-uz 12947 df-fz 13621 df-fzo 13769 |
| This theorem is used by: elfzo0 13815 fzo0n0 13831 fzo0end 13873 fvf1tp 13909 tpf1ofv0 14621 tpfo 14625 wrdsymb1 14678 ccatfv0 14709 ccat1st1st 14756 ccat2s1p1 14757 lswccats1fst 14763 swrdfv0 14777 pfxn0 14816 pfxfv0 14821 pfxtrcfv0 14823 pfx1 14832 cats1un 14850 revs1 14894 repswfsts 14912 cshwidx0mod 14936 cshw1 14953 scshwfzeqfzo 14957 cats1fvn 14989 pfx2 15078 nnnn0modprm0 16964 cshwrepswhash1 17260 chnccat 18780 efgsval2 19927 efgs1b 19930 efgsp1 19931 efgsres 19932 efgredlemd 19938 efgredlem 19941 efgrelexlemb 19944 pgpfaclem1 20277 dchrisumlem3 27800 tgcgr4 28976 wlkonl1iedg 30226 usgr2pthlem 30331 pthdlem2lem 30335 lfgrn1cycl 30376 uspgrn2crct 30379 crctcshwlkn0lem6 30386 0enwwlksnge1 30435 wwlksm1edg 30452 wwlksnwwlksnon 30486 clwlkclwwlklem2 30573 clwlkclwwlkf1lem3 30579 clwwlkel 30619 clwwlkf1 30622 umgr2cwwk2dif 30637 clwwlknonwwlknonb 30679 upgr3v3e3cycl 30763 upgr4cycl4dv4e 30768 2clwwlk2clwwlk 30933 cycpmco2lem4 33672 cycpmco2lem5 33673 cycpmrn 33686 lmatcl 34430 fib0 35014 signsvtn0 35182 reprpmtf1o 35238 poimirlem3 38509 amgm2d 45157 amgm3d 45158 amgm4d 45159 iccpartigtl 48449 iccpartlt 48450 gpgprismgriedgdmss 49094 gpg3kgrtriex 49131 gpgprismgr4cycllem3 49139 gpgprismgr4cycllem9 49145 gpg5edgnedg 49172 grlimedgnedg 49173 amgmw2d 50933 |
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