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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 12707 | . . 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 13803 | . 2 ⊢ (0 ∈ (0..^𝐴) ↔ (0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴)) | |
| 5 | elnnz 12706 | . 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 2144 class class class wbr 5102 (class class class)co 7420 0cc0 11203 < clt 11346 ℕcn 12338 ℤcz 12696 ..^cfzo 13791 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11259 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-addrcl 11264 ax-mulcl 11265 ax-mulrcl 11266 ax-mulcom 11267 ax-addass 11268 ax-mulass 11269 ax-distr 11270 ax-i2m1 11271 ax-1ne0 11272 ax-1rid 11273 ax-rnegex 11274 ax-rrecex 11275 ax-cnre 11276 ax-pre-lttri 11277 ax-pre-lttrn 11278 ax-pre-ltadd 11279 ax-pre-mulgt0 11280 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8302 df-wrecs 8333 df-recs 8382 df-rdg 8421 df-er 8720 df-en 8977 df-dom 8978 df-sdom 8979 df-pnf 11348 df-mnf 11349 df-xr 11350 df-ltxr 11351 df-le 11352 df-sub 11546 df-neg 11547 df-nn 12339 df-n0 12610 df-z 12697 df-uz 12969 df-fz 13643 df-fzo 13792 |
| This theorem is used by: elfzo0 13838 fzo0n0 13854 fzo0end 13896 fvf1tp 13932 tpf1ofv0 14644 tpfo 14648 wrdsymb1 14701 ccatfv0 14732 ccat1st1st 14780 ccat2s1p1 14781 lswccats1fst 14787 swrdfv0 14801 pfxn0 14840 pfxfv0 14845 pfxtrcfv0 14847 pfx1 14856 cats1un 14874 revs1 14918 repswfsts 14936 cshwidx0mod 14960 cshw1 14977 scshwfzeqfzo 14981 cats1fvn 15013 pfx2 15103 nnnn0modprm0 16989 cshwrepswhash1 17285 chnccat 18805 efgsval2 19952 efgs1b 19955 efgsp1 19956 efgsres 19957 efgredlemd 19963 efgredlem 19966 efgrelexlemb 19969 pgpfaclem1 20302 dchrisumlem3 27823 tgcgr4 28999 wlkonl1iedg 30249 usgr2pthlem 30354 pthdlem2lem 30358 lfgrn1cycl 30399 uspgrn2crct 30402 crctcshwlkn0lem6 30409 0enwwlksnge1 30458 wwlksm1edg 30475 wwlksnwwlksnon 30509 clwlkclwwlklem2 30596 clwlkclwwlkf1lem3 30602 clwwlkel 30642 clwwlkf1 30645 umgr2cwwk2dif 30660 clwwlknonwwlknonb 30702 upgr3v3e3cycl 30786 upgr4cycl4dv4e 30791 2clwwlk2clwwlk 30956 cycpmco2lem4 33736 cycpmco2lem5 33737 cycpmrn 33750 lmatcl 34494 fib0 35077 signsvtn0 35245 reprpmtf1o 35301 poimirlem3 38634 amgm2d 45291 amgm3d 45292 amgm4d 45293 iccpartigtl 48598 iccpartlt 48599 gpgprismgriedgdmss 49243 gpg3kgrtriex 49280 gpgprismgr4cycllem3 49288 gpgprismgr4cycllem9 49294 gpg5edgnedg 49321 grlimedgnedg 49322 amgmw2d 51157 |
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