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Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > eluzelz2d | Structured version Visualization version GIF version |
Description: A member of an upper set of integers is an integer. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
Ref | Expression |
---|---|
eluzelz2d.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
eluzelz2d.2 | ⊢ (𝜑 → 𝑁 ∈ 𝑍) |
Ref | Expression |
---|---|
eluzelz2d | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluzelz2d.2 | . 2 ⊢ (𝜑 → 𝑁 ∈ 𝑍) | |
2 | eluzelz2d.1 | . . 3 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
3 | 2 | eluzelz2 43543 | . 2 ⊢ (𝑁 ∈ 𝑍 → 𝑁 ∈ ℤ) |
4 | 1, 3 | syl 17 | 1 ⊢ (𝜑 → 𝑁 ∈ ℤ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2106 ‘cfv 6493 ℤcz 12457 ℤ≥cuz 12721 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2708 ax-sep 5254 ax-nul 5261 ax-pr 5382 ax-cnex 11065 ax-resscn 11066 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2887 df-ral 3063 df-rex 3072 df-rab 3406 df-v 3445 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4281 df-if 4485 df-pw 4560 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4864 df-br 5104 df-opab 5166 df-mpt 5187 df-id 5529 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6445 df-fun 6495 df-fn 6496 df-f 6497 df-fv 6501 df-ov 7354 df-neg 11346 df-z 12458 df-uz 12722 |
This theorem is referenced by: uzred 43583 limsupequzmpt2 43860 liminfequzmpt2 43933 xlimconst2 43977 iundjiunlem 44601 smflimsuplem1 44962 smflimsuplem4 44965 smflimsuplem8 44969 smfliminflem 44972 |
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