| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 12731 | . . 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 13827 | . 2 ⊢ (0 ∈ (0..^𝐴) ↔ (0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴)) | |
| 5 | elnnz 12730 | . 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 2147 class class class wbr 5106 (class class class)co 7443 0cc0 11227 < clt 11370 ℕcn 12362 ℤcz 12720 ..^cfzo 13815 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-1st 8025 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-nn 12363 df-n0 12634 df-z 12721 df-uz 12993 df-fz 13667 df-fzo 13816 |
| This theorem is used by: elfzo0 13862 fzo0n0 13878 fzo0end 13920 fvf1tp 13956 tpf1ofv0 14668 tpfo 14672 wrdsymb1 14725 ccatfv0 14756 ccat1st1st 14804 ccat2s1p1 14805 lswccats1fst 14811 swrdfv0 14825 pfxn0 14864 pfxfv0 14869 pfxtrcfv0 14871 pfx1 14880 cats1un 14898 revs1 14942 repswfsts 14960 cshwidx0mod 14984 cshw1 15001 scshwfzeqfzo 15005 cats1fvn 15037 pfx2 15127 nnnn0modprm0 17013 cshwrepswhash1 17309 chnccat 18829 efgsval2 19977 efgs1b 19980 efgsp1 19981 efgsres 19982 efgredlemd 19988 efgredlem 19991 efgrelexlemb 19994 pgpfaclem1 20327 dchrisumlem3 27848 tgcgr4 29024 wlkonl1iedg 30274 usgr2pthlem 30379 pthdlem2lem 30383 lfgrn1cycl 30424 uspgrn2crct 30427 crctcshwlkn0lem6 30434 0enwwlksnge1 30483 wwlksm1edg 30500 wwlksnwwlksnon 30534 clwlkclwwlklem2 30621 clwlkclwwlkf1lem3 30627 clwwlkel 30667 clwwlkf1 30670 umgr2cwwk2dif 30685 clwwlknonwwlknonb 30727 upgr3v3e3cycl 30811 upgr4cycl4dv4e 30816 2clwwlk2clwwlk 30981 cycpmco2lem4 33760 cycpmco2lem5 33761 cycpmrn 33774 lmatcl 34518 fib0 35101 signsvtn0 35269 reprpmtf1o 35325 poimirlem3 38733 amgm2d 45390 amgm3d 45391 amgm4d 45392 iccpartigtl 48710 iccpartlt 48711 gpgprismgriedgdmss 49355 gpg3kgrtriex 49392 gpgprismgr4cycllem3 49400 gpgprismgr4cycllem9 49406 gpg5edgnedg 49433 grlimedgnedg 49434 amgmw2d 51269 |
| Copyright terms: Public domain | W3C validator |