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Mirrors > Home > MPE Home > Th. List > modltm1p1mod | Structured version Visualization version GIF version |
Description: If a real number modulo a positive real number is less than the positive real number decreased by 1, the real number increased by 1 modulo the positive real number equals the real number modulo the positive real number increased by 1. (Contributed by AV, 2-Nov-2018.) |
Ref | Expression |
---|---|
modltm1p1mod | ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+ ∧ (𝐴 mod 𝑀) < (𝑀 − 1)) → ((𝐴 + 1) mod 𝑀) = ((𝐴 mod 𝑀) + 1)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 483 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → 𝐴 ∈ ℝ) | |
2 | 1red 10977 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → 1 ∈ ℝ) | |
3 | simpr 485 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → 𝑀 ∈ ℝ+) | |
4 | 1, 2, 3 | 3jca 1127 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (𝐴 ∈ ℝ ∧ 1 ∈ ℝ ∧ 𝑀 ∈ ℝ+)) |
5 | 4 | 3adant3 1131 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+ ∧ (𝐴 mod 𝑀) < (𝑀 − 1)) → (𝐴 ∈ ℝ ∧ 1 ∈ ℝ ∧ 𝑀 ∈ ℝ+)) |
6 | modaddmod 13628 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 1 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = ((𝐴 + 1) mod 𝑀)) | |
7 | 5, 6 | syl 17 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+ ∧ (𝐴 mod 𝑀) < (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = ((𝐴 + 1) mod 𝑀)) |
8 | modcl 13591 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (𝐴 mod 𝑀) ∈ ℝ) | |
9 | peano2re 11148 | . . . . . 6 ⊢ ((𝐴 mod 𝑀) ∈ ℝ → ((𝐴 mod 𝑀) + 1) ∈ ℝ) | |
10 | 8, 9 | syl 17 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → ((𝐴 mod 𝑀) + 1) ∈ ℝ) |
11 | 10, 3 | jca 512 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (((𝐴 mod 𝑀) + 1) ∈ ℝ ∧ 𝑀 ∈ ℝ+)) |
12 | 11 | 3adant3 1131 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+ ∧ (𝐴 mod 𝑀) < (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) ∈ ℝ ∧ 𝑀 ∈ ℝ+)) |
13 | 0red 10979 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → 0 ∈ ℝ) | |
14 | modge0 13597 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → 0 ≤ (𝐴 mod 𝑀)) | |
15 | 8 | lep1d 11906 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (𝐴 mod 𝑀) ≤ ((𝐴 mod 𝑀) + 1)) |
16 | 13, 8, 10, 14, 15 | letrd 11132 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → 0 ≤ ((𝐴 mod 𝑀) + 1)) |
17 | 16 | 3adant3 1131 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+ ∧ (𝐴 mod 𝑀) < (𝑀 − 1)) → 0 ≤ ((𝐴 mod 𝑀) + 1)) |
18 | rpre 12737 | . . . . . 6 ⊢ (𝑀 ∈ ℝ+ → 𝑀 ∈ ℝ) | |
19 | 18 | adantl 482 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → 𝑀 ∈ ℝ) |
20 | 8, 2, 19 | ltaddsubd 11575 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (((𝐴 mod 𝑀) + 1) < 𝑀 ↔ (𝐴 mod 𝑀) < (𝑀 − 1))) |
21 | 20 | biimp3ar 1469 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+ ∧ (𝐴 mod 𝑀) < (𝑀 − 1)) → ((𝐴 mod 𝑀) + 1) < 𝑀) |
22 | modid 13614 | . . 3 ⊢ (((((𝐴 mod 𝑀) + 1) ∈ ℝ ∧ 𝑀 ∈ ℝ+) ∧ (0 ≤ ((𝐴 mod 𝑀) + 1) ∧ ((𝐴 mod 𝑀) + 1) < 𝑀)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = ((𝐴 mod 𝑀) + 1)) | |
23 | 12, 17, 21, 22 | syl12anc 834 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+ ∧ (𝐴 mod 𝑀) < (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = ((𝐴 mod 𝑀) + 1)) |
24 | 7, 23 | eqtr3d 2782 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+ ∧ (𝐴 mod 𝑀) < (𝑀 − 1)) → ((𝐴 + 1) mod 𝑀) = ((𝐴 mod 𝑀) + 1)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1086 = wceq 1542 ∈ wcel 2110 class class class wbr 5079 (class class class)co 7271 ℝcr 10871 0cc0 10872 1c1 10873 + caddc 10875 < clt 11010 ≤ cle 11011 − cmin 11205 ℝ+crp 12729 mod cmo 13587 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-sep 5227 ax-nul 5234 ax-pow 5292 ax-pr 5356 ax-un 7582 ax-cnex 10928 ax-resscn 10929 ax-1cn 10930 ax-icn 10931 ax-addcl 10932 ax-addrcl 10933 ax-mulcl 10934 ax-mulrcl 10935 ax-mulcom 10936 ax-addass 10937 ax-mulass 10938 ax-distr 10939 ax-i2m1 10940 ax-1ne0 10941 ax-1rid 10942 ax-rnegex 10943 ax-rrecex 10944 ax-cnre 10945 ax-pre-lttri 10946 ax-pre-lttrn 10947 ax-pre-ltadd 10948 ax-pre-mulgt0 10949 ax-pre-sup 10950 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-nfc 2891 df-ne 2946 df-nel 3052 df-ral 3071 df-rex 3072 df-reu 3073 df-rmo 3074 df-rab 3075 df-v 3433 df-sbc 3721 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4846 df-iun 4932 df-br 5080 df-opab 5142 df-mpt 5163 df-tr 5197 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6201 df-ord 6268 df-on 6269 df-lim 6270 df-suc 6271 df-iota 6390 df-fun 6434 df-fn 6435 df-f 6436 df-f1 6437 df-fo 6438 df-f1o 6439 df-fv 6440 df-riota 7228 df-ov 7274 df-oprab 7275 df-mpo 7276 df-om 7707 df-2nd 7825 df-frecs 8088 df-wrecs 8119 df-recs 8193 df-rdg 8232 df-er 8481 df-en 8717 df-dom 8718 df-sdom 8719 df-sup 9179 df-inf 9180 df-pnf 11012 df-mnf 11013 df-xr 11014 df-ltxr 11015 df-le 11016 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-n0 12234 df-z 12320 df-uz 12582 df-rp 12730 df-fl 13510 df-mod 13588 |
This theorem is referenced by: clwwisshclwwslemlem 28373 |
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