Theorem eluzelz2 45714

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 2829	. . 3 ⊢ (𝑁 ∈ 𝑍 ↔ 𝑁 ∈ (ℤ≥‘𝑀))
3	2	biimpi 216	. 2 ⊢ (𝑁 ∈ 𝑍 → 𝑁 ∈ (ℤ≥‘𝑀))
4		eluzelz 12765	. 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ ℤ)
5	3, 4	syl 17	1 ⊢ (𝑁 ∈ 𝑍 → 𝑁 ∈ ℤ)

Syntax hints:   → wi 4   = wceq 1542   ∈ wcel 2114  ‘cfv 6493  ℤcz 12492  ℤ_≥cuz 12755

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5242  ax-nul 5252  ax-pr 5378  ax-cnex 11086  ax-resscn 11087

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3062  df-rab 3401  df-v 3443  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4287  df-if 4481  df-pw 4557  df-sn 4582  df-pr 4584  df-op 4588  df-uni 4865  df-br 5100  df-opab 5162  df-mpt 5181  df-id 5520  df-xp 5631  df-rel 5632  df-cnv 5633  df-co 5634  df-dm 5635  df-rn 5636  df-res 5637  df-ima 5638  df-iota 6449  df-fun 6495  df-fn 6496  df-f 6497  df-fv 6501  df-ov 7363  df-neg 11371  df-z 12493  df-uz 12756

This theorem is referenced by:  eluzelz2d  45724  uzublem  45741  uzinico  45872  limsupubuzlem  46023  limsupmnfuzlem  46037  limsupre3uzlem  46046  limsupvaluz2  46049  supcnvlimsup  46051  xlimclim2lem  46150  climxlim2  46157  xlimliminflimsup  46173  smflimmpt  47121  smflimsuplem3  47133  smflimsuplem4  47134  smflimsuplem5  47135  smflimsuplem6  47136  smflimsuplem7  47137  smflimsuplem8  47138  smflimsupmpt  47140  smfliminflem  47141  smfliminfmpt  47143