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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 12576 | . . 3 ⊢ 0 ∈ ℤ | |
| 2 | 3anass 1105 | . . 3 ⊢ ((0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴) ↔ (0 ∈ ℤ ∧ (𝐴 ∈ ℤ ∧ 0 < 𝐴))) | |
| 3 | 1, 2 | mpbiran 719 | . 2 ⊢ ((0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴) ↔ (𝐴 ∈ ℤ ∧ 0 < 𝐴)) |
| 4 | fzolb 13668 | . 2 ⊢ (0 ∈ (0..^𝐴) ↔ (0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴)) | |
| 5 | elnnz 12575 | . 2 ⊢ (𝐴 ∈ ℕ ↔ (𝐴 ∈ ℤ ∧ 0 < 𝐴)) | |
| 6 | 3, 4, 5 | 3bitr4i 305 | 1 ⊢ (0 ∈ (0..^𝐴) ↔ 𝐴 ∈ ℕ) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ∧ wa 399 ∧ w3a 1097 ∈ wcel 2141 class class class wbr 5099 (class class class)co 7392 0cc0 11070 < clt 11213 ℕcn 12207 ℤcz 12565 ..^cfzo 13656 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 ax-1cn 11128 ax-icn 11129 ax-addcl 11130 ax-addrcl 11131 ax-mulcl 11132 ax-mulrcl 11133 ax-mulcom 11134 ax-addass 11135 ax-mulass 11136 ax-distr 11137 ax-i2m1 11138 ax-1ne0 11139 ax-1rid 11140 ax-rnegex 11141 ax-rrecex 11142 ax-cnre 11143 ax-pre-lttri 11144 ax-pre-lttrn 11145 ax-pre-ltadd 11146 ax-pre-mulgt0 11147 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7843 df-1st 7966 df-2nd 7967 df-frecs 8257 df-wrecs 8288 df-recs 8337 df-rdg 8376 df-er 8673 df-en 8924 df-dom 8925 df-sdom 8926 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-sub 11413 df-neg 11414 df-nn 12208 df-n0 12479 df-z 12566 df-uz 12837 df-fz 13510 df-fzo 13657 |
| This theorem is referenced by: elfzo0 13703 fzo0n0 13719 fzo0end 13761 fvf1tp 13796 tpf1ofv0 14506 tpfo 14510 wrdsymb1 14563 ccatfv0 14594 ccat1st1st 14639 ccat2s1p1 14640 lswccats1fst 14646 swrdfv0 14660 pfxn0 14697 pfxfv0 14702 pfxtrcfv0 14704 pfx1 14713 cats1un 14731 revs1 14775 repswfsts 14791 cshwidx0mod 14815 cshw1 14832 scshwfzeqfzo 14836 cats1fvn 14868 pfx2 14957 nnnn0modprm0 16825 cshwrepswhash1 17121 chnccat 18641 efgsval2 19756 efgs1b 19759 efgsp1 19760 efgsres 19761 efgredlemd 19767 efgredlem 19770 efgrelexlemb 19773 pgpfaclem1 20106 dchrisumlem3 27532 tgcgr4 28677 wlkonl1iedg 29810 usgr2pthlem 29909 pthdlem2lem 29913 lfgrn1cycl 29951 uspgrn2crct 29954 crctcshwlkn0lem6 29961 0enwwlksnge1 30010 wwlksm1edg 30027 wwlksnwwlksnon 30061 clwlkclwwlklem2 30148 clwlkclwwlkf1lem3 30154 clwwlkel 30194 clwwlkf1 30197 umgr2cwwk2dif 30212 clwwlknonwwlknonb 30254 upgr3v3e3cycl 30328 upgr4cycl4dv4e 30333 2clwwlk2clwwlk 30498 cycpmco2lem4 33270 cycpmco2lem5 33271 cycpmrn 33284 lmatcl 34074 fib0 34657 signsvtn0 34828 reprpmtf1o 34884 poimirlem3 38086 amgm2d 44738 amgm3d 44739 amgm4d 44740 iccpartigtl 47993 iccpartlt 47994 gpgprismgriedgdmss 48638 gpg3kgrtriex 48675 gpgprismgr4cycllem3 48683 gpgprismgr4cycllem9 48689 gpg5edgnedg 48716 grlimedgnedg 48717 amgmw2d 50389 |
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