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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 12390 | . . . 4 ⊢ ((𝑁 − 𝑀) ∈ ℕ → 1 ≤ (𝑁 − 𝑀)) | |
| 2 | 1 | a1i 11 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑁 − 𝑀) ∈ ℕ → 1 ≤ (𝑁 − 𝑀))) |
| 3 | znnsub 12766 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 < 𝑁 ↔ (𝑁 − 𝑀) ∈ ℕ)) | |
| 4 | zre 12721 | . . . 4 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℝ) | |
| 5 | zre 12721 | . . . 4 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
| 6 | 1re 11332 | . . . . 5 ⊢ 1 ∈ ℝ | |
| 7 | leaddsub2 11817 | . . . . 5 ⊢ ((𝑀 ∈ ℝ ∧ 1 ∈ ℝ ∧ 𝑁 ∈ ℝ) → ((𝑀 + 1) ≤ 𝑁 ↔ 1 ≤ (𝑁 − 𝑀))) | |
| 8 | 6, 7 | mp3an2 1479 | . . . 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 12271 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → 𝑀 < (𝑀 + 1)) |
| 13 | peano2re 11507 | . . . . 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 11426 | . . . 4 ⊢ ((𝑀 ∈ ℝ ∧ (𝑀 + 1) ∈ ℝ ∧ 𝑁 ∈ ℝ) → ((𝑀 < (𝑀 + 1) ∧ (𝑀 + 1) ≤ 𝑁) → 𝑀 < 𝑁)) | |
| 17 | 11, 14, 15, 16 | syl3anc 1399 | . . 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 2147 class class class wbr 5106 (class class class)co 7440 ℝcr 11223 1c1 11225 + caddc 11227 < clt 11367 ≤ cle 11368 − cmin 11565 ℕcn 12359 ℤcz 12717 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 ax-resscn 11281 ax-1cn 11282 ax-icn 11283 ax-addcl 11284 ax-addrcl 11285 ax-mulcl 11286 ax-mulrcl 11287 ax-mulcom 11288 ax-addass 11289 ax-mulass 11290 ax-distr 11291 ax-i2m1 11292 ax-1ne0 11293 ax-1rid 11294 ax-rnegex 11295 ax-rrecex 11296 ax-cnre 11297 ax-pre-lttri 11298 ax-pre-lttrn 11299 ax-pre-ltadd 11300 ax-pre-mulgt0 11301 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 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 6319 df-ord 6380 df-on 6381 df-lim 6382 df-suc 6383 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-riota 7397 df-ov 7443 df-oprab 7444 df-mpo 7445 df-om 7899 df-2nd 8023 df-frecs 8324 df-wrecs 8355 df-recs 8404 df-rdg 8443 df-er 8742 df-en 8999 df-dom 9000 df-sdom 9001 df-pnf 11369 df-mnf 11370 df-xr 11371 df-ltxr 11372 df-le 11373 df-sub 11567 df-neg 11568 df-nn 12360 df-n0 12631 df-z 12718 |
| This theorem is used by: zleltp1 12771 zlem1lt 12772 zltp1led 12775 zgt0ge1 12776 nnltp1le 12779 nn0ltp1le 12781 btwnnz 12799 uzind2 12816 fzind 12821 eluzp1l 13016 eluz2b1 13070 zltaddlt1le 13660 fzsplit2 13707 fzdif1 13763 elfzop1le2 13831 m1modge3gt1 14085 bcval5 14486 seqcoll 14633 hashge2el2dif 14649 hashge2el2difr 14650 swrd2lsw 15131 2swrd2eqwrdeq 15132 isercoll 15861 nn0o1gt2 16577 divalglem6 16594 isprm3 16884 dvdsnprmd 16891 2mulprm 16894 oddprmge3 16902 ge2nprmge4 16903 hashdvds 16978 prmreclem5 17124 prmgaplem3 17257 prmgaplem5 17259 prmgaplem6 17260 prmgaplem8 17262 chnccat 18826 sylow1lem3 19841 chfacfscmul0 23203 chfacfscmulfsupp 23204 chfacfpmmul0 23207 chfacfpmmulfsupp 23208 dyaddisjlem 25943 plyeq0lem 26556 basellem2 27436 chtub 27566 bposlem9 27646 lgsdilem2 27687 2lgslem1a 27745 pntpbnd1 27940 pntpbnd2 27941 tgldimor 28992 eucrct2eupth 30873 konigsberglem5 30884 nndiffz1 33445 ltesubnnd 33481 dp2ltc 33520 smatrcl 34495 breprexplemc 35328 zltp1ne 36056 dnibndlem13 37533 knoppndvlem6 37560 poimirlem3 38732 poimirlem4 38733 poimirlem15 38744 poimirlem17 38746 poimirlem28 38757 lcmineqlem11 43280 lcmineqlem23 43292 lcmineqlem 43293 sticksstones10 43396 eluzp1 43555 ellz1 43969 lzunuz 43970 rmygeid 44162 jm3.1lem2 44216 fzuntgd 44649 bccbc 45519 monoords 46516 fmul01lt1lem1 46799 dvnxpaek 47155 iblspltprt 47186 itgspltprt 47192 fourierdlem6 47326 fourierdlem12 47332 fourierdlem19 47339 fourierdlem42 47362 fourierdlem79 47398 addmodne 48623 m1modnep2mod 48631 iccpartiltu 48707 iccpartgt 48712 icceuelpartlem 48720 iccpartnel 48723 lighneallem4b 48897 evenltle 49018 gbowge7 49064 gbege6 49066 stgoldbwt 49077 sbgoldbwt 49078 sbgoldbalt 49082 sbgoldbm 49085 bgoldbtbndlem1 49106 tgblthelfgott 49116 elfzolborelfzop1 49834 |
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