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| Mirrors > Home > MPE Home > Th. List > zltp1le | Structured version Visualization version GIF version | ||
| Description: Integer ordering relation. (Contributed by NM, 10-May-2004.) (Proof shortened by Mario Carneiro, 16-May-2014.) |
| Ref | Expression |
|---|---|
| zltp1le | ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 < 𝑁 ↔ (𝑀 + 1) ≤ 𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnge1 12366 | . . . 4 ⊢ ((𝑁 − 𝑀) ∈ ℕ → 1 ≤ (𝑁 − 𝑀)) | |
| 2 | 1 | a1i 11 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑁 − 𝑀) ∈ ℕ → 1 ≤ (𝑁 − 𝑀))) |
| 3 | znnsub 12742 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 < 𝑁 ↔ (𝑁 − 𝑀) ∈ ℕ)) | |
| 4 | zre 12697 | . . . 4 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℝ) | |
| 5 | zre 12697 | . . . 4 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
| 6 | 1re 11308 | . . . . 5 ⊢ 1 ∈ ℝ | |
| 7 | leaddsub2 11793 | . . . . 5 ⊢ ((𝑀 ∈ ℝ ∧ 1 ∈ ℝ ∧ 𝑁 ∈ ℝ) → ((𝑀 + 1) ≤ 𝑁 ↔ 1 ≤ (𝑁 − 𝑀))) | |
| 8 | 6, 7 | mp3an2 1478 | . . . 4 ⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ) → ((𝑀 + 1) ≤ 𝑁 ↔ 1 ≤ (𝑁 − 𝑀))) |
| 9 | 4, 5, 8 | syl2an 608 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑀 + 1) ≤ 𝑁 ↔ 1 ≤ (𝑁 − 𝑀))) |
| 10 | 2, 3, 9 | 3imtr4d 297 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 < 𝑁 → (𝑀 + 1) ≤ 𝑁)) |
| 11 | 4 | adantr 486 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑀 ∈ ℝ) |
| 12 | 11 | ltp1d 12247 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑀 < (𝑀 + 1)) |
| 13 | peano2re 11483 | . . . . 5 ⊢ (𝑀 ∈ ℝ → (𝑀 + 1) ∈ ℝ) | |
| 14 | 11, 13 | syl 18 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 + 1) ∈ ℝ) |
| 15 | 5 | adantl 487 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑁 ∈ ℝ) |
| 16 | ltletr 11402 | . . . 4 ⊢ ((𝑀 ∈ ℝ ∧ (𝑀 + 1) ∈ ℝ ∧ 𝑁 ∈ ℝ) → ((𝑀 < (𝑀 + 1) ∧ (𝑀 + 1) ≤ 𝑁) → 𝑀 < 𝑁)) | |
| 17 | 11, 14, 15, 16 | syl3anc 1398 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑀 < (𝑀 + 1) ∧ (𝑀 + 1) ≤ 𝑁) → 𝑀 < 𝑁)) |
| 18 | 12, 17 | mpand 708 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑀 + 1) ≤ 𝑁 → 𝑀 < 𝑁)) |
| 19 | 10, 18 | impbid 215 | 1 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 < 𝑁 ↔ (𝑀 + 1) ≤ 𝑁)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∈ wcel 2144 class class class wbr 5102 (class class class)co 7420 ℝcr 11199 1c1 11201 + caddc 11203 < clt 11343 ≤ cle 11344 − cmin 11541 ℕcn 12335 ℤcz 12693 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-nn 12336 df-n0 12607 df-z 12694 |
| This theorem is used by: zleltp1 12747 zlem1lt 12748 zltp1led 12751 zgt0ge1 12752 nnltp1le 12755 nn0ltp1le 12757 btwnnz 12775 uzind2 12792 fzind 12797 eluzp1l 12992 eluz2b1 13046 zltaddlt1le 13636 fzsplit2 13683 fzdif1 13739 elfzop1le2 13807 m1modge3gt1 14061 bcval5 14462 seqcoll 14609 hashge2el2dif 14625 hashge2el2difr 14626 swrd2lsw 15105 2swrd2eqwrdeq 15106 isercoll 15835 nn0o1gt2 16551 divalglem6 16568 isprm3 16858 dvdsnprmd 16865 2mulprm 16868 oddprmge3 16876 ge2nprmge4 16877 hashdvds 16952 prmreclem5 17098 prmgaplem3 17231 prmgaplem5 17233 prmgaplem6 17234 prmgaplem8 17236 chnccat 18800 sylow1lem3 19814 chfacfscmul0 23176 chfacfscmulfsupp 23177 chfacfpmmul0 23180 chfacfpmmulfsupp 23181 dyaddisjlem 25916 plyeq0lem 26529 basellem2 27409 chtub 27539 bposlem9 27619 lgsdilem2 27660 2lgslem1a 27718 pntpbnd1 27913 pntpbnd2 27914 tgldimor 28965 eucrct2eupth 30846 konigsberglem5 30857 nndiffz1 33378 ltesubnnd 33414 dp2ltc 33453 smatrcl 34428 breprexplemc 35261 zltp1ne 35900 dnibndlem13 37356 knoppndvlem6 37383 poimirlem3 38542 poimirlem4 38543 poimirlem15 38554 poimirlem17 38556 poimirlem28 38567 lcmineqlem11 43090 lcmineqlem23 43102 lcmineqlem 43103 sticksstones10 43206 eluzp1 43365 ellz1 43778 lzunuz 43779 rmygeid 43971 jm3.1lem2 44025 fzuntgd 44459 bccbc 45329 monoords 46313 fmul01lt1lem1 46596 dvnxpaek 46952 iblspltprt 46983 itgspltprt 46989 fourierdlem6 47123 fourierdlem12 47129 fourierdlem19 47136 fourierdlem42 47159 fourierdlem79 47195 addmodne 48420 m1modnep2mod 48428 iccpartiltu 48504 iccpartgt 48509 icceuelpartlem 48517 iccpartnel 48520 lighneallem4b 48694 evenltle 48815 gbowge7 48861 gbege6 48863 stgoldbwt 48874 sbgoldbwt 48875 sbgoldbalt 48879 sbgoldbm 48882 bgoldbtbndlem1 48903 tgblthelfgott 48913 elfzolborelfzop1 49631 |
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