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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 12630 | . . 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 13725 | . 2 ⊢ (0 ∈ (0..^𝐴) ↔ (0 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 0 < 𝐴)) | |
| 5 | elnnz 12629 | . 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 5107 (class class class)co 7417 0cc0 11128 < clt 11271 ℕcn 12261 ℤcz 12619 ..^cfzo 13713 |
| 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 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-nn 12262 df-n0 12533 df-z 12620 df-uz 12892 df-fz 13566 df-fzo 13714 |
| This theorem is used by: elfzo0 13760 fzo0n0 13776 fzo0end 13818 fvf1tp 13854 tpf1ofv0 14565 tpfo 14569 wrdsymb1 14622 ccatfv0 14653 ccat1st1st 14700 ccat2s1p1 14701 lswccats1fst 14707 swrdfv0 14721 pfxn0 14760 pfxfv0 14765 pfxtrcfv0 14767 pfx1 14776 cats1un 14794 revs1 14838 repswfsts 14856 cshwidx0mod 14880 cshw1 14897 scshwfzeqfzo 14901 cats1fvn 14933 pfx2 15022 nnnn0modprm0 16904 cshwrepswhash1 17200 chnccat 18720 efgsval2 19866 efgs1b 19869 efgsp1 19870 efgsres 19871 efgredlemd 19877 efgredlem 19880 efgrelexlemb 19883 pgpfaclem1 20216 dchrisumlem3 27735 tgcgr4 28881 wlkonl1iedg 30131 usgr2pthlem 30236 pthdlem2lem 30240 lfgrn1cycl 30281 uspgrn2crct 30284 crctcshwlkn0lem6 30291 0enwwlksnge1 30340 wwlksm1edg 30357 wwlksnwwlksnon 30391 clwlkclwwlklem2 30478 clwlkclwwlkf1lem3 30484 clwwlkel 30524 clwwlkf1 30527 umgr2cwwk2dif 30542 clwwlknonwwlknonb 30584 upgr3v3e3cycl 30668 upgr4cycl4dv4e 30673 2clwwlk2clwwlk 30838 cycpmco2lem4 33577 cycpmco2lem5 33578 cycpmrn 33591 lmatcl 34334 fib0 34918 signsvtn0 35086 reprpmtf1o 35142 poimirlem3 38380 amgm2d 45046 amgm3d 45047 amgm4d 45048 iccpartigtl 48331 iccpartlt 48332 gpgprismgriedgdmss 48976 gpg3kgrtriex 49013 gpgprismgr4cycllem3 49021 gpgprismgr4cycllem9 49027 gpg5edgnedg 49054 grlimedgnedg 49055 amgmw2d 50830 |
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