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Theorem eluzelz2 46456
Description: A member of an upper set of integers is an integer. (Contributed by Glauco Siliprandi, 23-Oct-2021.)
Hypothesis
Ref Expression
eluzelz2.1 𝑍 = (ℤ≥‘𝑀)
Assertion
Ref Expression
eluzelz2 (𝑁 ∈ 𝑍 → 𝑁 ∈ ℤ)

Proof of Theorem eluzelz2
StepHypRef Expression
1 eluzelz2.1 . . . 4 𝑍 = (ℤ≥‘𝑀)
21eleq2i 2852 . . 3 (𝑁 ∈ 𝑍 ↔ 𝑁 ∈ (ℤ≥‘𝑀))
32biimpi 219 . 2 (𝑁 ∈ 𝑍 → 𝑁 ∈ (ℤ≥‘𝑀))
4 eluzelz 12975 . 2 (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ ℤ)
53, 4syl 18 1 (𝑁 ∈ 𝑍 → 𝑁 ∈ ℤ)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   = wceq 1569   ∈ wcel 2144  ‘cfv 6538  ℤcz 12693  ℤ≥cuz 12965
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 5390  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 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 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-br 5103  df-opab 5167  df-mpt 5186  df-id 5545  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  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:  eluzelz2d  46466  uzublem  46483  uzinico  46614  limsupubuzlem  46765  limsupmnfuzlem  46779  limsupre3uzlem  46788  limsupvaluz2  46791  supcnvlimsup  46793  xlimclim2lem  46892  climxlim2  46899  xlimliminflimsup  46915  smflimmpt  47863  smflimsuplem3  47875  smflimsuplem4  47876  smflimsuplem5  47877  smflimsuplem6  47878  smflimsuplem7  47879  smflimsuplem8  47880  smflimsupmpt  47882  smfliminflem  47883  smfliminfmpt  47885
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