Theorem eluzelz2 45828

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 12795	. 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 6496  ℤcz 12521  ℤ_≥cuz 12785

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 5232  ax-nul 5242  ax-pr 5374  ax-cnex 11091  ax-resscn 11092

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 3063  df-rab 3391  df-v 3432  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-br 5087  df-opab 5149  df-mpt 5168  df-id 5523  df-xp 5634  df-rel 5635  df-cnv 5636  df-co 5637  df-dm 5638  df-rn 5639  df-res 5640  df-ima 5641  df-iota 6452  df-fun 6498  df-fn 6499  df-f 6500  df-fv 6504  df-ov 7367  df-neg 11377  df-z 12522  df-uz 12786

This theorem is referenced by:  eluzelz2d  45838  uzublem  45855  uzinico  45986  limsupubuzlem  46137  limsupmnfuzlem  46151  limsupre3uzlem  46160  limsupvaluz2  46163  supcnvlimsup  46165  xlimclim2lem  46264  climxlim2  46271  xlimliminflimsup  46287  smflimmpt  47235  smflimsuplem3  47247  smflimsuplem4  47248  smflimsuplem5  47249  smflimsuplem6  47250  smflimsuplem7  47251  smflimsuplem8  47252  smflimsupmpt  47254  smfliminflem  47255  smfliminfmpt  47257