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Theorem eluzd 46692
Description: Membership in an upper set of integers. (Contributed by Glauco Siliprandi, 23-Oct-2021.)
Hypotheses
Ref Expression
eluzd.1 𝑍 = (ℤ≥‘𝑀)
eluzd.2 (𝜑 → 𝑀 ∈ ℤ)
eluzd.3 (𝜑 → 𝑁 ∈ ℤ)
eluzd.4 (𝜑 → 𝑀 ≤ 𝑁)
Assertion
Ref Expression
eluzd (𝜑 → 𝑁 ∈ 𝑍)

Proof of Theorem eluzd
StepHypRef Expression
1 eluzd.2 . . 3 (𝜑 → 𝑀 ∈ ℤ)
2 eluzd.3 . . 3 (𝜑 → 𝑁 ∈ ℤ)
3 eluzd.4 . . 3 (𝜑 → 𝑀 ≤ 𝑁)
4 eluz2 13011 . . 3 (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁))
51, 2, 3, 4syl3anbrc 1362 . 2 (𝜑 → 𝑁 ∈ (ℤ≥‘𝑀))
6 eluzd.1 . 2 𝑍 = (ℤ≥‘𝑀)
75, 6eleqtrrdi 2875 1 (𝜑 → 𝑁 ∈ 𝑍)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   = wceq 1570   ∈ wcel 2147   class class class wbr 5108  ‘cfv 6566   ≤ cle 11383  ℤcz 12733  ℤ≥cuz 13005
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735  ax-sep 5255  ax-nul 5266  ax-pr 5398  ax-cnex 11295  ax-resscn 11296
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-ral 3081  df-rex 3091  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-pw 4562  df-sn 4589  df-pr 4591  df-op 4841  df-uni 4873  df-br 5109  df-opab 5174  df-mpt 5193  df-id 5553  df-xp 5664  df-rel 5665  df-cnv 5666  df-co 5667  df-dm 5668  df-rn 5669  df-res 5670  df-ima 5671  df-iota 6520  df-fun 6568  df-fn 6569  df-f 6570  df-fv 6574  df-ov 7454  df-neg 11583  df-z 12734  df-uz 13006
This theorem is used by:  uzublem  46713  uzinico  46844  uzubioo  46850  sumnnodd  46915  limsupubuzlem  46995  limsupequzlem  47005  limsupmnfuzlem  47009  limsupequzmptlem  47011  limsupre3uzlem  47018  supcnvlimsup  47023  limsup10exlem  47055  fourierdlem48  47437  fourierdlem49  47438  smflimsuplem4  48106  smfliminflem  48113
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