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Theorem eluzd 46418
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 12971 . . 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 2872 1 (𝜑 → 𝑁 ∈ 𝑍)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   = wceq 1570   ∈ wcel 2145   class class class wbr 5103  ‘cfv 6538   ≤ cle 11344  ℤcz 12693  ℤ≥cuz 12965
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 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-sep 5249  ax-nul 5260  ax-pr 5391  ax-cnex 11256  ax-resscn 11257
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 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rab 3414  df-v 3453  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-opab 5168  df-mpt 5187  df-id 5546  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-fv 6546  df-ov 7423  df-neg 11544  df-z 12694  df-uz 12966
This theorem is used by:  uzublem  46439  uzinico  46570  uzubioo  46576  sumnnodd  46641  limsupubuzlem  46721  limsupequzlem  46731  limsupmnfuzlem  46735  limsupequzmptlem  46737  limsupre3uzlem  46744  supcnvlimsup  46749  limsup10exlem  46781  fourierdlem48  47163  fourierdlem49  47164  smflimsuplem4  47832  smfliminflem  47839
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