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| Mirrors > Home > MPE Home > Th. List > zlem1lt | Structured version Visualization version GIF version | ||
| Description: Integer ordering relation. (Contributed by NM, 13-Nov-2004.) |
| Ref | Expression |
|---|---|
| zlem1lt | ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 ≤ 𝑁 ↔ (𝑀 − 1) < 𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | peano2zm 12546 | . . 3 ⊢ (𝑀 ∈ ℤ → (𝑀 − 1) ∈ ℤ) | |
| 2 | zltp1le 12553 | . . 3 ⊢ (((𝑀 − 1) ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑀 − 1) < 𝑁 ↔ ((𝑀 − 1) + 1) ≤ 𝑁)) | |
| 3 | 1, 2 | sylan 581 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑀 − 1) < 𝑁 ↔ ((𝑀 − 1) + 1) ≤ 𝑁)) |
| 4 | zcn 12505 | . . . . 5 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℂ) | |
| 5 | ax-1cn 11096 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 6 | npcan 11401 | . . . . 5 ⊢ ((𝑀 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝑀 − 1) + 1) = 𝑀) | |
| 7 | 4, 5, 6 | sylancl 587 | . . . 4 ⊢ (𝑀 ∈ ℤ → ((𝑀 − 1) + 1) = 𝑀) |
| 8 | 7 | adantr 480 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑀 − 1) + 1) = 𝑀) |
| 9 | 8 | breq1d 5110 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (((𝑀 − 1) + 1) ≤ 𝑁 ↔ 𝑀 ≤ 𝑁)) |
| 10 | 3, 9 | bitr2d 280 | 1 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 ≤ 𝑁 ↔ (𝑀 − 1) < 𝑁)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 class class class wbr 5100 (class class class)co 7368 ℂcc 11036 1c1 11039 + caddc 11041 < clt 11178 ≤ cle 11179 − cmin 11376 ℤcz 12500 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-n0 12414 df-z 12501 |
| This theorem is referenced by: nn0lem1lt 12569 nnlem1lt 12570 zbtwnre 12871 uzdisj 13525 nn0disj 13572 fzon 13608 ssfzo12 13687 fzoopth 13690 ceile 13781 cshwidxn 14744 bitsfzolem 16373 bitscmp 16377 bitsinv1lem 16380 hashdvds 16714 logf1o2 26630 ang180lem3 26792 lgsquadlem1 27362 fzsplit3 32888 cos9thpiminplylem1 33964 ballotlemfc0 34675 ballotlemfcc 34676 ballotlemimin 34688 ballotlemfrceq 34711 ballotlemfrcn0 34712 0nn0m1nnn0 35333 poimirlem23 37898 poimirlem24 37899 sticksstones10 42529 irrapxlem3 43185 hashnzfz2 44681 fzdifsuc2 45676 stoweidlem26 46388 fourierdlem12 46481 m1modmmod 47722 fpprel2 48105 nnsum3primesle9 48158 evengpop3 48162 zgtp1leeq 48885 nnolog2flm1 48954 |
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