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Theorem eluzd 46555
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 12978 . . 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 2871 1 (𝜑 → 𝑁 ∈ 𝑍)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   = wceq 1569   ∈ wcel 2144   class class class wbr 5102  ‘cfv 6543   ≤ cle 11351  ℤcz 12700  ℤ≥cuz 12972
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-sep 5248  ax-nul 5259  ax-pr 5391  ax-cnex 11263  ax-resscn 11264
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-ss 3897  df-dif 4046  df-in 4090  df-un 4150  df-nul 4278  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-op 4835  df-uni 4867  df-br 5103  df-opab 5167  df-mpt 5186  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 6497  df-fun 6545  df-fn 6546  df-f 6547  df-fv 6551  df-ov 7427  df-neg 11551  df-z 12701  df-uz 12973
This theorem is used by:  uzublem  46576  uzinico  46707  uzubioo  46713  sumnnodd  46778  limsupubuzlem  46858  limsupequzlem  46868  limsupmnfuzlem  46872  limsupequzmptlem  46874  limsupre3uzlem  46881  supcnvlimsup  46886  limsup10exlem  46918  fourierdlem48  47300  fourierdlem49  47301  smflimsuplem4  47969  smfliminflem  47976
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