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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 12536 | . . 3 ⊢ (𝑀 ∈ ℤ → (𝑀 − 1) ∈ ℤ) | |
| 2 | zltp1le 12543 | . . 3 ⊢ (((𝑀 − 1) ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑀 − 1) < 𝑁 ↔ ((𝑀 − 1) + 1) ≤ 𝑁)) | |
| 3 | 1, 2 | sylan 580 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑀 − 1) < 𝑁 ↔ ((𝑀 − 1) + 1) ≤ 𝑁)) |
| 4 | zcn 12495 | . . . . 5 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℂ) | |
| 5 | ax-1cn 11086 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 6 | npcan 11391 | . . . . 5 ⊢ ((𝑀 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝑀 − 1) + 1) = 𝑀) | |
| 7 | 4, 5, 6 | sylancl 586 | . . . 4 ⊢ (𝑀 ∈ ℤ → ((𝑀 − 1) + 1) = 𝑀) |
| 8 | 7 | adantr 480 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝑀 − 1) + 1) = 𝑀) |
| 9 | 8 | breq1d 5108 | . 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 1541 ∈ wcel 2113 class class class wbr 5098 (class class class)co 7358 ℂcc 11026 1c1 11029 + caddc 11031 < clt 11168 ≤ cle 11169 − cmin 11366 ℤcz 12490 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-er 8635 df-en 8886 df-dom 8887 df-sdom 8888 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12148 df-n0 12404 df-z 12491 |
| This theorem is referenced by: nn0lem1lt 12559 nnlem1lt 12560 zbtwnre 12861 uzdisj 13515 nn0disj 13562 fzon 13598 ssfzo12 13677 fzoopth 13680 ceile 13771 cshwidxn 14734 bitsfzolem 16363 bitscmp 16367 bitsinv1lem 16370 hashdvds 16704 logf1o2 26617 ang180lem3 26779 lgsquadlem1 27349 fzsplit3 32875 cos9thpiminplylem1 33941 ballotlemfc0 34652 ballotlemfcc 34653 ballotlemimin 34665 ballotlemfrceq 34688 ballotlemfrcn0 34689 0nn0m1nnn0 35309 poimirlem23 37846 poimirlem24 37847 sticksstones10 42431 irrapxlem3 43087 hashnzfz2 44583 fzdifsuc2 45579 stoweidlem26 46291 fourierdlem12 46384 m1modmmod 47625 fpprel2 48008 nnsum3primesle9 48061 evengpop3 48065 zgtp1leeq 48788 nnolog2flm1 48857 |
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