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Mirrors > Home > MPE Home > Th. List > neg1z | Structured version Visualization version GIF version |
Description: -1 is an integer. (Contributed by David A. Wheeler, 5-Dec-2018.) |
Ref | Expression |
---|---|
neg1z | ⊢ -1 ∈ ℤ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1nn 11651 | . 2 ⊢ 1 ∈ ℕ | |
2 | nnnegz 11987 | . 2 ⊢ (1 ∈ ℕ → -1 ∈ ℤ) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ -1 ∈ ℤ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2114 1c1 10540 -cneg 10873 ℕcn 11640 ℤcz 11984 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-om 7583 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-pnf 10679 df-mnf 10680 df-ltxr 10682 df-sub 10874 df-neg 10875 df-nn 11641 df-z 11985 |
This theorem is referenced by: modsumfzodifsn 13315 m1expcl 13455 risefall0lem 15382 binomfallfaclem2 15396 nthruz 15608 n2dvdsm1 15721 bitsfzo 15786 bezoutlem1 15889 pythagtriplem4 16158 odinv 18690 zrhpsgnmhm 20730 zrhpsgnelbas 20740 m2detleiblem1 21235 clmneg1 23688 plyeq0lem 24802 aaliou3lem2 24934 dvradcnv 25011 efif1olem2 25129 ang180lem3 25391 wilthimp 25651 muf 25719 ppiub 25782 lgslem2 25876 lgsfcl2 25881 lgsval2lem 25885 lgsdir2lem3 25905 lgsdir2lem4 25906 gausslemma2dlem5a 25948 gausslemma2dlem7 25951 gausslemma2d 25952 lgseisenlem2 25954 lgseisenlem4 25956 m1lgs 25966 2sqlem11 26007 2sqblem 26009 ostth3 26216 archirngz 30820 mdetpmtr1 31090 mdetpmtr12 31092 qqhval2lem 31224 bcneg1 32970 mzpsubmpt 39347 rmxm1 39538 rmym1 39539 dvradcnv2 40686 binomcxplemnotnn0 40695 cosnegpi 42155 fourierdlem24 42423 fmtnoprmfac1lem 43733 2pwp1prm 43758 lighneallem4b 43781 lighneallem4 43782 modexp2m1d 43784 41prothprmlem2 43790 |
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