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Theorem eluzelz2d 46345
Description: A member of an upper set of integers is an integer. (Contributed by Glauco Siliprandi, 23-Oct-2021.)
Hypotheses
Ref Expression
eluzelz2d.1 𝑍 = (ℤ≥‘𝑀)
eluzelz2d.2 (𝜑 → 𝑁 ∈ 𝑍)
Assertion
Ref Expression
eluzelz2d (𝜑 → 𝑁 ∈ ℤ)

Proof of Theorem eluzelz2d
StepHypRef Expression
1 eluzelz2d.2 . 2 (𝜑 → 𝑁 ∈ 𝑍)
2 eluzelz2d.1 . . 3 𝑍 = (ℤ≥‘𝑀)
32eluzelz2 46335 . 2 (𝑁 ∈ 𝑍 → 𝑁 ∈ ℤ)
41, 3syl 18 1 (𝜑 → 𝑁 ∈ ℤ)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   = wceq 1570   ∈ wcel 2145  ‘cfv 6527  ℤcz 12662  ℤ≥cuz 12934
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2732  ax-sep 5248  ax-nul 5259  ax-pr 5390  ax-cnex 11227  ax-resscn 11228
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  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-dif 3901  df-un 3903  df-in 3905  df-ss 3915  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 5542  df-xp 5653  df-rel 5654  df-cnv 5655  df-co 5656  df-dm 5657  df-rn 5658  df-res 5659  df-ima 5660  df-iota 6483  df-fun 6529  df-fn 6530  df-f 6531  df-fv 6535  df-ov 7411  df-neg 11515  df-z 12663  df-uz 12935
This theorem is used by:  uzred  46375  cvgcau  46422  limsupequzmpt2  46650  liminfequzmpt2  46723  xlimconst2  46767  iundjiunlem  47391  smflimsuplem1  47752  smflimsuplem4  47755  smflimsuplem8  47759  smfliminflem  47762
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