MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  mptfzshft Structured version   Visualization version   GIF version

Theorem mptfzshft 14352
Description: 1-1 onto function in maps-to notation which shifts a finite set of sequential integers. Formerly part of proof for fsumshft 14354. (Contributed by AV, 24-Aug-2019.)
Hypotheses
Ref Expression
mptfzshft.1 (𝜑𝐾 ∈ ℤ)
mptfzshft.2 (𝜑𝑀 ∈ ℤ)
mptfzshft.3 (𝜑𝑁 ∈ ℤ)
Assertion
Ref Expression
mptfzshft (𝜑 → (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)):((𝑀 + 𝐾)...(𝑁 + 𝐾))–1-1-onto→(𝑀...𝑁))
Distinct variable groups:   𝑗,𝐾   𝑗,𝑀   𝑗,𝑁   𝜑,𝑗

Proof of Theorem mptfzshft
Dummy variable 𝑘 is distinct from all other variables.
StepHypRef Expression
1 ovex 6577 . . . 4 (𝑗𝐾) ∈ V
2 eqid 2610 . . . 4 (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)) = (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾))
31, 2fnmpti 5935 . . 3 (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)) Fn ((𝑀 + 𝐾)...(𝑁 + 𝐾))
43a1i 11 . 2 (𝜑 → (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)) Fn ((𝑀 + 𝐾)...(𝑁 + 𝐾)))
5 ovex 6577 . . . 4 (𝑘 + 𝐾) ∈ V
6 eqid 2610 . . . 4 (𝑘 ∈ (𝑀...𝑁) ↦ (𝑘 + 𝐾)) = (𝑘 ∈ (𝑀...𝑁) ↦ (𝑘 + 𝐾))
75, 6fnmpti 5935 . . 3 (𝑘 ∈ (𝑀...𝑁) ↦ (𝑘 + 𝐾)) Fn (𝑀...𝑁)
8 simprr 792 . . . . . . . . . . 11 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → 𝑘 = (𝑗𝐾))
98oveq1d 6564 . . . . . . . . . 10 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → (𝑘 + 𝐾) = ((𝑗𝐾) + 𝐾))
10 elfzelz 12213 . . . . . . . . . . . 12 (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) → 𝑗 ∈ ℤ)
1110ad2antrl 760 . . . . . . . . . . 11 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → 𝑗 ∈ ℤ)
12 mptfzshft.1 . . . . . . . . . . . 12 (𝜑𝐾 ∈ ℤ)
1312adantr 480 . . . . . . . . . . 11 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → 𝐾 ∈ ℤ)
14 zcn 11259 . . . . . . . . . . . 12 (𝑗 ∈ ℤ → 𝑗 ∈ ℂ)
15 zcn 11259 . . . . . . . . . . . 12 (𝐾 ∈ ℤ → 𝐾 ∈ ℂ)
16 npcan 10169 . . . . . . . . . . . 12 ((𝑗 ∈ ℂ ∧ 𝐾 ∈ ℂ) → ((𝑗𝐾) + 𝐾) = 𝑗)
1714, 15, 16syl2an 493 . . . . . . . . . . 11 ((𝑗 ∈ ℤ ∧ 𝐾 ∈ ℤ) → ((𝑗𝐾) + 𝐾) = 𝑗)
1811, 13, 17syl2anc 691 . . . . . . . . . 10 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → ((𝑗𝐾) + 𝐾) = 𝑗)
199, 18eqtr2d 2645 . . . . . . . . 9 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → 𝑗 = (𝑘 + 𝐾))
20 simprl 790 . . . . . . . . 9 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → 𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)))
2119, 20eqeltrrd 2689 . . . . . . . 8 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → (𝑘 + 𝐾) ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)))
22 mptfzshft.2 . . . . . . . . . 10 (𝜑𝑀 ∈ ℤ)
2322adantr 480 . . . . . . . . 9 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → 𝑀 ∈ ℤ)
24 mptfzshft.3 . . . . . . . . . 10 (𝜑𝑁 ∈ ℤ)
2524adantr 480 . . . . . . . . 9 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → 𝑁 ∈ ℤ)
2611, 13zsubcld 11363 . . . . . . . . . 10 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → (𝑗𝐾) ∈ ℤ)
278, 26eqeltrd 2688 . . . . . . . . 9 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → 𝑘 ∈ ℤ)
28 fzaddel 12246 . . . . . . . . 9 (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝑘 ∈ ℤ ∧ 𝐾 ∈ ℤ)) → (𝑘 ∈ (𝑀...𝑁) ↔ (𝑘 + 𝐾) ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾))))
2923, 25, 27, 13, 28syl22anc 1319 . . . . . . . 8 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → (𝑘 ∈ (𝑀...𝑁) ↔ (𝑘 + 𝐾) ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾))))
3021, 29mpbird 246 . . . . . . 7 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → 𝑘 ∈ (𝑀...𝑁))
3130, 19jca 553 . . . . . 6 ((𝜑 ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾))) → (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾)))
32 simprr 792 . . . . . . . 8 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → 𝑗 = (𝑘 + 𝐾))
33 simprl 790 . . . . . . . . 9 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → 𝑘 ∈ (𝑀...𝑁))
3422adantr 480 . . . . . . . . . 10 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → 𝑀 ∈ ℤ)
3524adantr 480 . . . . . . . . . 10 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → 𝑁 ∈ ℤ)
36 elfzelz 12213 . . . . . . . . . . 11 (𝑘 ∈ (𝑀...𝑁) → 𝑘 ∈ ℤ)
3736ad2antrl 760 . . . . . . . . . 10 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → 𝑘 ∈ ℤ)
3812adantr 480 . . . . . . . . . 10 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → 𝐾 ∈ ℤ)
3934, 35, 37, 38, 28syl22anc 1319 . . . . . . . . 9 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → (𝑘 ∈ (𝑀...𝑁) ↔ (𝑘 + 𝐾) ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾))))
4033, 39mpbid 221 . . . . . . . 8 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → (𝑘 + 𝐾) ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)))
4132, 40eqeltrd 2688 . . . . . . 7 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → 𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)))
4232oveq1d 6564 . . . . . . . 8 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → (𝑗𝐾) = ((𝑘 + 𝐾) − 𝐾))
43 zcn 11259 . . . . . . . . . 10 (𝑘 ∈ ℤ → 𝑘 ∈ ℂ)
44 pncan 10166 . . . . . . . . . 10 ((𝑘 ∈ ℂ ∧ 𝐾 ∈ ℂ) → ((𝑘 + 𝐾) − 𝐾) = 𝑘)
4543, 15, 44syl2an 493 . . . . . . . . 9 ((𝑘 ∈ ℤ ∧ 𝐾 ∈ ℤ) → ((𝑘 + 𝐾) − 𝐾) = 𝑘)
4637, 38, 45syl2anc 691 . . . . . . . 8 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → ((𝑘 + 𝐾) − 𝐾) = 𝑘)
4742, 46eqtr2d 2645 . . . . . . 7 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → 𝑘 = (𝑗𝐾))
4841, 47jca 553 . . . . . 6 ((𝜑 ∧ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))) → (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾)))
4931, 48impbida 873 . . . . 5 (𝜑 → ((𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ 𝑘 = (𝑗𝐾)) ↔ (𝑘 ∈ (𝑀...𝑁) ∧ 𝑗 = (𝑘 + 𝐾))))
5049mptcnv 5453 . . . 4 (𝜑(𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)) = (𝑘 ∈ (𝑀...𝑁) ↦ (𝑘 + 𝐾)))
5150fneq1d 5895 . . 3 (𝜑 → ((𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)) Fn (𝑀...𝑁) ↔ (𝑘 ∈ (𝑀...𝑁) ↦ (𝑘 + 𝐾)) Fn (𝑀...𝑁)))
527, 51mpbiri 247 . 2 (𝜑(𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)) Fn (𝑀...𝑁))
53 dff1o4 6058 . 2 ((𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)):((𝑀 + 𝐾)...(𝑁 + 𝐾))–1-1-onto→(𝑀...𝑁) ↔ ((𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)) Fn ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ∧ (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)) Fn (𝑀...𝑁)))
544, 52, 53sylanbrc 695 1 (𝜑 → (𝑗 ∈ ((𝑀 + 𝐾)...(𝑁 + 𝐾)) ↦ (𝑗𝐾)):((𝑀 + 𝐾)...(𝑁 + 𝐾))–1-1-onto→(𝑀...𝑁))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 195  wa 383   = wceq 1475  wcel 1977  cmpt 4643  ccnv 5037   Fn wfn 5799  1-1-ontowf1o 5803  (class class class)co 6549  cc 9813   + caddc 9818  cmin 10145  cz 11254  ...cfz 12197
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892
This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-iun 4457  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-om 6958  df-1st 7059  df-2nd 7060  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-er 7629  df-en 7842  df-dom 7843  df-sdom 7844  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-nn 10898  df-n0 11170  df-z 11255  df-uz 11564  df-fz 12198
This theorem is referenced by:  fsumshft  14354  fprodshft  14545  gsummptshft  18159
  Copyright terms: Public domain W3C validator