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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 3079 | . 2 ⊢ {𝑥 ∈ ℂ ∣ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)} = {𝑥 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵))} | |
2 | simp2 1134 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝑥 ∈ ℂ) | |
3 | zcn 12025 | . . . . . . . . 9 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℂ) | |
4 | 3 | 3ad2ant1 1130 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝐴 ∈ ℂ) |
5 | 2, 4 | npcand 11039 | . . . . . . 7 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → ((𝑥 − 𝐴) + 𝐴) = 𝑥) |
6 | eluzadd 12313 | . . . . . . . . 9 ⊢ (((𝑥 − 𝐴) ∈ (ℤ≥‘𝐵) ∧ 𝐴 ∈ ℤ) → ((𝑥 − 𝐴) + 𝐴) ∈ (ℤ≥‘(𝐵 + 𝐴))) | |
7 | 6 | ancoms 462 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → ((𝑥 − 𝐴) + 𝐴) ∈ (ℤ≥‘(𝐵 + 𝐴))) |
8 | 7 | 3adant2 1128 | . . . . . . 7 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → ((𝑥 − 𝐴) + 𝐴) ∈ (ℤ≥‘(𝐵 + 𝐴))) |
9 | 5, 8 | eqeltrrd 2853 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴))) |
10 | 9 | 3expib 1119 | . . . . 5 ⊢ (𝐴 ∈ ℤ → ((𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)))) |
11 | 10 | adantr 484 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → ((𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) → 𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)))) |
12 | eluzelcn 12294 | . . . . . 6 ⊢ (𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)) → 𝑥 ∈ ℂ) | |
13 | 12 | a1i 11 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → (𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)) → 𝑥 ∈ ℂ)) |
14 | eluzsub 12314 | . . . . . . 7 ⊢ ((𝐵 ∈ ℤ ∧ 𝐴 ∈ ℤ ∧ 𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴))) → (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵)) | |
15 | 14 | 3expia 1118 | . . . . . 6 ⊢ ((𝐵 ∈ ℤ ∧ 𝐴 ∈ ℤ) → (𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)) → (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵))) |
16 | 15 | ancoms 462 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → (𝑥 ∈ (ℤ≥‘(𝐵 + 𝐴)) → (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵))) |
17 | 13, 16 | jcad 516 | . . . 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 2890 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → {𝑥 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴) ∈ (ℤ≥‘𝐵))} = (ℤ≥‘(𝐵 + 𝐴))) |
20 | 1, 19 | syl5eq 2805 | 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 399 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 {cab 2735 {crab 3074 ‘cfv 6335 (class class class)co 7150 ℂcc 10573 + caddc 10578 − cmin 10908 ℤcz 12020 ℤ≥cuz 12282 |
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 |
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-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-pnf 10715 df-mnf 10716 df-xr 10717 df-ltxr 10718 df-le 10719 df-sub 10910 df-neg 10911 df-nn 11675 df-n0 11935 df-z 12021 df-uz 12283 |
This theorem is referenced by: seqshft 14492 uzmptshftfval 41445 |
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