Theorem eluzelz2 41682

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

Step	Hyp	Ref	Expression
1		eluzelz2.1	. . . 4 ⊢ 𝑍 = (ℤ≥‘𝑀)
2	1	eleq2i 2907	. . 3 ⊢ (𝑁 ∈ 𝑍 ↔ 𝑁 ∈ (ℤ≥‘𝑀))
3	2	biimpi 218	. 2 ⊢ (𝑁 ∈ 𝑍 → 𝑁 ∈ (ℤ≥‘𝑀))
4		eluzelz 12256	. 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ ℤ)
5	3, 4	syl 17	1 ⊢ (𝑁 ∈ 𝑍 → 𝑁 ∈ ℤ)

Syntax hints:   → wi 4   = wceq 1536   ∈ wcel 2113  ‘cfv 6358  ℤcz 11984  ℤ_≥cuz 12246

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1969  ax-7 2014  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2160  ax-12 2176  ax-ext 2796  ax-sep 5206  ax-nul 5213  ax-pow 5269  ax-pr 5333  ax-cnex 10596  ax-resscn 10597

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1084  df-3an 1085  df-tru 1539  df-ex 1780  df-nf 1784  df-sb 2069  df-mo 2621  df-eu 2653  df-clab 2803  df-cleq 2817  df-clel 2896  df-nfc 2966  df-ne 3020  df-ral 3146  df-rex 3147  df-rab 3150  df-v 3499  df-sbc 3776  df-dif 3942  df-un 3944  df-in 3946  df-ss 3955  df-nul 4295  df-if 4471  df-pw 4544  df-sn 4571  df-pr 4573  df-op 4577  df-uni 4842  df-br 5070  df-opab 5132  df-mpt 5150  df-id 5463  df-xp 5564  df-rel 5565  df-cnv 5566  df-co 5567  df-dm 5568  df-rn 5569  df-res 5570  df-ima 5571  df-iota 6317  df-fun 6360  df-fn 6361  df-f 6362  df-fv 6366  df-ov 7162  df-neg 10876  df-z 11985  df-uz 12247

This theorem is referenced by:  eluzelz2d  41693  uzublem  41710  uzinico  41842  limsupubuzlem  41999  limsupmnfuzlem  42013  limsupre3uzlem  42022  limsupvaluz2  42025  supcnvlimsup  42027  xlimclim2lem  42126  climxlim2  42133  xlimliminflimsup  42149  smflimmpt  43091  smflimsuplem3  43103  smflimsuplem4  43104  smflimsuplem5  43105  smflimsuplem6  43106  smflimsuplem7  43107  smflimsuplem8  43108  smflimsupmpt  43110  smfliminflem  43111  smfliminfmpt  43113