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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 2145 class class class wbr 5103 (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 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 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 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 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 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 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 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 38541 poimirlem4 38542 poimirlem15 38553 poimirlem17 38555 poimirlem28 38566 lcmineqlem11 43089 lcmineqlem23 43101 lcmineqlem 43102 sticksstones10 43205 eluzp1 43364 ellz1 43777 lzunuz 43778 rmygeid 43970 jm3.1lem2 44024 fzuntgd 44458 bccbc 45328 monoords 46312 fmul01lt1lem1 46595 dvnxpaek 46951 iblspltprt 46982 itgspltprt 46988 fourierdlem6 47122 fourierdlem12 47128 fourierdlem19 47135 fourierdlem42 47158 fourierdlem79 47194 addmodne 48419 m1modnep2mod 48427 iccpartiltu 48503 iccpartgt 48508 icceuelpartlem 48516 iccpartnel 48519 lighneallem4b 48693 evenltle 48814 gbowge7 48860 gbege6 48862 stgoldbwt 48873 sbgoldbwt 48874 sbgoldbalt 48878 sbgoldbm 48881 bgoldbtbndlem1 48902 tgblthelfgott 48912 elfzolborelfzop1 49630 |
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