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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 12620 | . . 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 13713 | . 2 ⊢ (0 ∈ (0..^𝐴) ↔ (0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴)) | |
| 5 | elnnz 12619 | . 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 2146 class class class wbr 5114 (class class class)co 7423 0cc0 11118 < clt 11261 ℕcn 12251 ℤcz 12609 ..^cfzo 13701 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-cnex 11174 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-om 7872 df-1st 7995 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-er 8703 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-nn 12252 df-n0 12523 df-z 12610 df-uz 12881 df-fz 13554 df-fzo 13702 |
| This theorem is used by: elfzo0 13748 fzo0n0 13764 fzo0end 13806 fvf1tp 13842 tpf1ofv0 14553 tpfo 14557 wrdsymb1 14610 ccatfv0 14641 ccat1st1st 14688 ccat2s1p1 14689 lswccats1fst 14695 swrdfv0 14709 pfxn0 14748 pfxfv0 14753 pfxtrcfv0 14755 pfx1 14764 cats1un 14782 revs1 14826 repswfsts 14844 cshwidx0mod 14868 cshw1 14885 scshwfzeqfzo 14889 cats1fvn 14921 pfx2 15010 nnnn0modprm0 16891 cshwrepswhash1 17187 chnccat 18707 efgsval2 19834 efgs1b 19837 efgsp1 19838 efgsres 19839 efgredlemd 19845 efgredlem 19848 efgrelexlemb 19851 pgpfaclem1 20184 dchrisumlem3 27692 tgcgr4 28837 wlkonl1iedg 30050 usgr2pthlem 30149 pthdlem2lem 30153 lfgrn1cycl 30191 uspgrn2crct 30194 crctcshwlkn0lem6 30201 0enwwlksnge1 30250 wwlksm1edg 30267 wwlksnwwlksnon 30301 clwlkclwwlklem2 30388 clwlkclwwlkf1lem3 30394 clwwlkel 30434 clwwlkf1 30437 umgr2cwwk2dif 30452 clwwlknonwwlknonb 30494 upgr3v3e3cycl 30568 upgr4cycl4dv4e 30573 2clwwlk2clwwlk 30738 cycpmco2lem4 33480 cycpmco2lem5 33481 cycpmrn 33494 lmatcl 34237 fib0 34821 signsvtn0 34989 reprpmtf1o 35045 poimirlem3 38315 amgm2d 44965 amgm3d 44966 amgm4d 44967 iccpartigtl 48213 iccpartlt 48214 gpgprismgriedgdmss 48858 gpg3kgrtriex 48895 gpgprismgr4cycllem3 48903 gpgprismgr4cycllem9 48909 gpg5edgnedg 48936 grlimedgnedg 48937 amgmw2d 50693 |
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