![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > shftuz | Structured version Visualization version GIF version |
Description: A shift of the upper integers. (Contributed by Mario Carneiro, 5-Nov-2013.) |
Ref | Expression |
---|---|
shftuz | ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → {𝑥 ∈ ℂ ∣ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)} = (ℤ≥‘(𝐵 + 𝐴))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rab 3077 | . 2 ⊢ {𝑥 ∈ ℂ ∣ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)} = {𝑥 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵))} | |
2 | simp2 1135 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝑥 ∈ ℂ) | |
3 | zcn 12010 | . . . . . . . . 9 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℂ) | |
4 | 3 | 3ad2ant1 1131 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝐴 ∈ ℂ) |
5 | 2, 4 | npcand 11024 | . . . . . . 7 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → ((𝑥 − 𝐴) + 𝐴) = 𝑥) |
6 | eluzadd 12298 | . . . . . . . . 9 ⊢ (((𝑥 − 𝐴) ∈ (ℤ≥‘𝐵) ∧ 𝐴 ∈ ℤ) → ((𝑥 − 𝐴) + 𝐴) ∈ (ℤ≥‘(𝐵 + 𝐴))) | |
7 | 6 | ancoms 463 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → ((𝑥 − 𝐴) + 𝐴) ∈ (ℤ≥‘(𝐵 + 𝐴))) |
8 | 7 | 3adant2 1129 | . . . . . . 7 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → ((𝑥 − 𝐴) + 𝐴) ∈ (ℤ≥‘(𝐵 + 𝐴))) |
9 | 5, 8 | eqeltrrd 2852 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴))) |
10 | 9 | 3expib 1120 | . . . . 5 ⊢ (𝐴 ∈ ℤ → ((𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)))) |
11 | 10 | adantr 485 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → ((𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)))) |
12 | eluzelcn 12279 | . . . . . 6 ⊢ (𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)) → 𝑥 ∈ ℂ) | |
13 | 12 | a1i 11 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → (𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)) → 𝑥 ∈ ℂ)) |
14 | eluzsub 12299 | . . . . . . 7 ⊢ ((𝐵 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴))) → (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) | |
15 | 14 | 3expia 1119 | . . . . . 6 ⊢ ((𝐵 ∈ ℤ ∧ 𝐴 ∈ ℤ) → (𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)) → (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵))) |
16 | 15 | ancoms 463 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → (𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)) → (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵))) |
17 | 13, 16 | jcad 517 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → (𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)) → (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)))) |
18 | 11, 17 | impbid 215 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → ((𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) ↔ 𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)))) |
19 | 18 | abbi1dv 2889 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → {𝑥 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵))} = (ℤ≥‘(𝐵 + 𝐴))) |
20 | 1, 19 | syl5eq 2806 | 1 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → {𝑥 ∈ ℂ ∣ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)} = (ℤ≥‘(𝐵 + 𝐴))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 400 ∧ w3a 1085 = wceq 1539 ∈ wcel 2112 {cab 2736 {crab 3072 ‘cfv 6328 (class class class)co 7143 ℂcc 10558 + caddc 10563 − cmin 10893 ℤcz 12005 ℤ≥cuz 12267 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1912 ax-6 1971 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2159 ax-12 2176 ax-ext 2730 ax-sep 5162 ax-nul 5169 ax-pow 5227 ax-pr 5291 ax-un 7452 ax-cnex 10616 ax-resscn 10617 ax-1cn 10618 ax-icn 10619 ax-addcl 10620 ax-addrcl 10621 ax-mulcl 10622 ax-mulrcl 10623 ax-mulcom 10624 ax-addass 10625 ax-mulass 10626 ax-distr 10627 ax-i2m1 10628 ax-1ne0 10629 ax-1rid 10630 ax-rnegex 10631 ax-rrecex 10632 ax-cnre 10633 ax-pre-lttri 10634 ax-pre-lttrn 10635 ax-pre-ltadd 10636 ax-pre-mulgt0 10637 |
This theorem depends on definitions: df-bi 210 df-an 401 df-or 846 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2071 df-mo 2558 df-eu 2589 df-clab 2737 df-cleq 2751 df-clel 2831 df-nfc 2899 df-ne 2950 df-nel 3054 df-ral 3073 df-rex 3074 df-reu 3075 df-rab 3077 df-v 3409 df-sbc 3694 df-csb 3802 df-dif 3857 df-un 3859 df-in 3861 df-ss 3871 df-pss 3873 df-nul 4222 df-if 4414 df-pw 4489 df-sn 4516 df-pr 4518 df-tp 4520 df-op 4522 df-uni 4792 df-iun 4878 df-br 5026 df-opab 5088 df-mpt 5106 df-tr 5132 df-id 5423 df-eprel 5428 df-po 5436 df-so 5437 df-fr 5476 df-we 5478 df-xp 5523 df-rel 5524 df-cnv 5525 df-co 5526 df-dm 5527 df-rn 5528 df-res 5529 df-ima 5530 df-pred 6119 df-ord 6165 df-on 6166 df-lim 6167 df-suc 6168 df-iota 6287 df-fun 6330 df-fn 6331 df-f 6332 df-f1 6333 df-fo 6334 df-f1o 6335 df-fv 6336 df-riota 7101 df-ov 7146 df-oprab 7147 df-mpo 7148 df-om 7573 df-wrecs 7950 df-recs 8011 df-rdg 8049 df-er 8292 df-en 8521 df-dom 8522 df-sdom 8523 df-pnf 10700 df-mnf 10701 df-xr 10702 df-ltxr 10703 df-le 10704 df-sub 10895 df-neg 10896 df-nn 11660 df-n0 11920 df-z 12006 df-uz 12268 |
This theorem is referenced by: seqshft 14477 uzmptshftfval 41408 |
Copyright terms: Public domain | W3C validator |