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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 12313 | . . . 4 ⊢ ((𝑁 − 𝑀) ∈ ℕ → 1 ≤ (𝑁 − 𝑀)) | |
| 2 | 1 | a1i 11 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑁 − 𝑀) ∈ ℕ → 1 ≤ (𝑁 − 𝑀))) |
| 3 | znnsub 12689 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 < 𝑁 ↔ (𝑁 − 𝑀) ∈ ℕ)) | |
| 4 | zre 12644 | . . . 4 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℝ) | |
| 5 | zre 12644 | . . . 4 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
| 6 | 1re 11257 | . . . . 5 ⊢ 1 ∈ ℝ | |
| 7 | leaddsub2 11740 | . . . . 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 12194 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑀 < (𝑀 + 1)) |
| 13 | peano2re 11432 | . . . . 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 11351 | . . . 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 2145 class class class wbr 5103 (class class class)co 7416 ℝcr 11148 1c1 11150 + caddc 11152 < clt 11292 ≤ cle 11293 − cmin 11490 ℕcn 12282 ℤcz 12640 |
| 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 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7742 ax-resscn 11206 ax-1cn 11207 ax-icn 11208 ax-addcl 11209 ax-addrcl 11210 ax-mulcl 11211 ax-mulrcl 11212 ax-mulcom 11213 ax-addass 11214 ax-mulass 11215 ax-distr 11216 ax-i2m1 11217 ax-1ne0 11218 ax-1rid 11219 ax-rnegex 11220 ax-rrecex 11221 ax-cnre 11222 ax-pre-lttri 11223 ax-pre-lttrn 11224 ax-pre-ltadd 11225 ax-pre-mulgt0 11226 |
| 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 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 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 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 6301 df-ord 6362 df-on 6363 df-lim 6364 df-suc 6365 df-iota 6491 df-fun 6537 df-fn 6538 df-f 6539 df-f1 6540 df-fo 6541 df-f1o 6542 df-fv 6543 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7869 df-2nd 7993 df-frecs 8285 df-wrecs 8316 df-recs 8365 df-rdg 8404 df-er 8703 df-en 8960 df-dom 8961 df-sdom 8962 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11492 df-neg 11493 df-nn 12283 df-n0 12554 df-z 12641 |
| This theorem is used by: zleltp1 12694 zlem1lt 12695 zltp1led 12698 zgt0ge1 12699 nnltp1le 12702 nn0ltp1le 12704 btwnnz 12722 uzind2 12739 fzind 12744 eluzp1l 12939 eluz2b1 12993 zltaddlt1le 13583 fzsplit2 13629 fzdif1 13685 elfzop1le2 13753 m1modge3gt1 14007 bcval5 14407 seqcoll 14554 hashge2el2dif 14570 hashge2el2difr 14571 swrd2lsw 15050 2swrd2eqwrdeq 15051 isercoll 15780 nn0o1gt2 16496 divalglem6 16513 isprm3 16798 dvdsnprmd 16805 2mulprm 16808 oddprmge3 16816 ge2nprmge4 16817 hashdvds 16891 prmreclem5 17037 prmgaplem3 17170 prmgaplem5 17172 prmgaplem6 17173 prmgaplem8 17175 chnccat 18739 sylow1lem3 19753 chfacfscmul0 23115 chfacfscmulfsupp 23116 chfacfpmmul0 23119 chfacfpmmulfsupp 23120 dyaddisjlem 25855 plyeq0lem 26468 basellem2 27350 chtub 27480 bposlem9 27560 lgsdilem2 27601 lgsquadlem1 27648 2lgslem1a 27659 pntpbnd1 27854 pntpbnd2 27855 tgldimor 28876 eucrct2eupth 30757 konigsberglem5 30768 nndiffz1 33289 ltesubnnd 33325 dp2ltc 33364 smatrcl 34339 breprexplemc 35173 zltp1ne 35797 dnibndlem13 37254 knoppndvlem6 37281 poimirlem3 38437 poimirlem4 38438 poimirlem15 38449 poimirlem17 38451 poimirlem28 38462 lcmineqlem11 42970 lcmineqlem23 42982 lcmineqlem 42983 sticksstones10 43086 eluzp1 43247 ellz1 43677 lzunuz 43678 rmygeid 43870 jm3.1lem2 43924 fzuntgd 44363 bccbc 45234 monoords 46195 fmul01lt1lem1 46479 dvnxpaek 46835 iblspltprt 46866 itgspltprt 46872 fourierdlem6 47006 fourierdlem12 47012 fourierdlem19 47019 fourierdlem42 47042 fourierdlem79 47078 addmodne 48303 m1modnep2mod 48311 iccpartiltu 48387 iccpartgt 48392 icceuelpartlem 48400 iccpartnel 48403 lighneallem4b 48577 evenltle 48698 gbowge7 48744 gbege6 48746 stgoldbwt 48757 sbgoldbwt 48758 sbgoldbalt 48762 sbgoldbm 48765 bgoldbtbndlem1 48786 tgblthelfgott 48796 elfzolborelfzop1 49514 |
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