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Mirrors > Home > MPE Home > Th. List > m1modge3gt1 | Structured version Visualization version GIF version |
Description: Minus one modulo an integer greater than two is greater than one. (Contributed by AV, 14-Jul-2021.) |
Ref | Expression |
---|---|
m1modge3gt1 | ⊢ (𝑀 ∈ (ℤ≥‘3) → 1 < (-1 mod 𝑀)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1p1e2 11799 | . . . 4 ⊢ (1 + 1) = 2 | |
2 | 2p1e3 11816 | . . . . . 6 ⊢ (2 + 1) = 3 | |
3 | eluzle 12295 | . . . . . 6 ⊢ (𝑀 ∈ (ℤ≥‘3) → 3 ≤ 𝑀) | |
4 | 2, 3 | eqbrtrid 5067 | . . . . 5 ⊢ (𝑀 ∈ (ℤ≥‘3) → (2 + 1) ≤ 𝑀) |
5 | 2z 12053 | . . . . . 6 ⊢ 2 ∈ ℤ | |
6 | eluzelz 12292 | . . . . . 6 ⊢ (𝑀 ∈ (ℤ≥‘3) → 𝑀 ∈ ℤ) | |
7 | zltp1le 12071 | . . . . . 6 ⊢ ((2 ∈ ℤ ∧ 𝑀 ∈ ℤ) → (2 < 𝑀 ↔ (2 + 1) ≤ 𝑀)) | |
8 | 5, 6, 7 | sylancr 590 | . . . . 5 ⊢ (𝑀 ∈ (ℤ≥‘3) → (2 < 𝑀 ↔ (2 + 1) ≤ 𝑀)) |
9 | 4, 8 | mpbird 260 | . . . 4 ⊢ (𝑀 ∈ (ℤ≥‘3) → 2 < 𝑀) |
10 | 1, 9 | eqbrtrid 5067 | . . 3 ⊢ (𝑀 ∈ (ℤ≥‘3) → (1 + 1) < 𝑀) |
11 | 1red 10680 | . . . 4 ⊢ (𝑀 ∈ (ℤ≥‘3) → 1 ∈ ℝ) | |
12 | eluzelre 12293 | . . . 4 ⊢ (𝑀 ∈ (ℤ≥‘3) → 𝑀 ∈ ℝ) | |
13 | 11, 11, 12 | ltaddsub2d 11279 | . . 3 ⊢ (𝑀 ∈ (ℤ≥‘3) → ((1 + 1) < 𝑀 ↔ 1 < (𝑀 − 1))) |
14 | 10, 13 | mpbid 235 | . 2 ⊢ (𝑀 ∈ (ℤ≥‘3) → 1 < (𝑀 − 1)) |
15 | eluzge3nn 12330 | . . 3 ⊢ (𝑀 ∈ (ℤ≥‘3) → 𝑀 ∈ ℕ) | |
16 | m1modnnsub1 13334 | . . 3 ⊢ (𝑀 ∈ ℕ → (-1 mod 𝑀) = (𝑀 − 1)) | |
17 | 15, 16 | syl 17 | . 2 ⊢ (𝑀 ∈ (ℤ≥‘3) → (-1 mod 𝑀) = (𝑀 − 1)) |
18 | 14, 17 | breqtrrd 5060 | 1 ⊢ (𝑀 ∈ (ℤ≥‘3) → 1 < (-1 mod 𝑀)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 = wceq 1538 ∈ wcel 2111 class class class wbr 5032 ‘cfv 6335 (class class class)co 7150 1c1 10576 + caddc 10578 < clt 10713 ≤ cle 10714 − cmin 10908 -cneg 10909 ℕcn 11674 2c2 11729 3c3 11730 ℤcz 12020 ℤ≥cuz 12282 mod cmo 13286 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-sep 5169 ax-nul 5176 ax-pow 5234 ax-pr 5298 ax-un 7459 ax-cnex 10631 ax-resscn 10632 ax-1cn 10633 ax-icn 10634 ax-addcl 10635 ax-addrcl 10636 ax-mulcl 10637 ax-mulrcl 10638 ax-mulcom 10639 ax-addass 10640 ax-mulass 10641 ax-distr 10642 ax-i2m1 10643 ax-1ne0 10644 ax-1rid 10645 ax-rnegex 10646 ax-rrecex 10647 ax-cnre 10648 ax-pre-lttri 10649 ax-pre-lttrn 10650 ax-pre-ltadd 10651 ax-pre-mulgt0 10652 ax-pre-sup 10653 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-nel 3056 df-ral 3075 df-rex 3076 df-reu 3077 df-rmo 3078 df-rab 3079 df-v 3411 df-sbc 3697 df-csb 3806 df-dif 3861 df-un 3863 df-in 3865 df-ss 3875 df-pss 3877 df-nul 4226 df-if 4421 df-pw 4496 df-sn 4523 df-pr 4525 df-tp 4527 df-op 4529 df-uni 4799 df-iun 4885 df-br 5033 df-opab 5095 df-mpt 5113 df-tr 5139 df-id 5430 df-eprel 5435 df-po 5443 df-so 5444 df-fr 5483 df-we 5485 df-xp 5530 df-rel 5531 df-cnv 5532 df-co 5533 df-dm 5534 df-rn 5535 df-res 5536 df-ima 5537 df-pred 6126 df-ord 6172 df-on 6173 df-lim 6174 df-suc 6175 df-iota 6294 df-fun 6337 df-fn 6338 df-f 6339 df-f1 6340 df-fo 6341 df-f1o 6342 df-fv 6343 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7580 df-wrecs 7957 df-recs 8018 df-rdg 8056 df-er 8299 df-en 8528 df-dom 8529 df-sdom 8530 df-sup 8939 df-inf 8940 df-pnf 10715 df-mnf 10716 df-xr 10717 df-ltxr 10718 df-le 10719 df-sub 10910 df-neg 10911 df-div 11336 df-nn 11675 df-2 11737 df-3 11738 df-n0 11935 df-z 12021 df-uz 12283 df-rp 12431 df-fl 13211 df-mod 13287 |
This theorem is referenced by: gausslemma2dlem0i 26047 |
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