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| Mirrors > Home > MPE Home > Th. List > eluz1i | Structured version Visualization version GIF version | ||
| Description: Membership in an upper set of integers. (Contributed by NM, 5-Sep-2005.) |
| Ref | Expression |
|---|---|
| eluz.1 | ⊢ 𝑀 ∈ ℤ |
| Ref | Expression |
|---|---|
| eluz1i | ⊢ (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eluz.1 | . 2 ⊢ 𝑀 ∈ ℤ | |
| 2 | eluz1 12969 | . 2 ⊢ (𝑀 ∈ ℤ → (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁))) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 401 ∈ wcel 2145 class class class wbr 5103 ‘cfv 6538 ≤ cle 11344 ℤcz 12693 ℤ≥cuz 12965 |
| 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 2733 ax-sep 5249 ax-pr 5391 ax-cnex 11256 ax-resscn 11257 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-iota 6494 df-fun 6540 df-fv 6546 df-ov 7423 df-neg 11544 df-z 12694 df-uz 12966 |
| This theorem is used by: eluz2b1 13046 faclbnd4lem1 14437 climcndslem1 16018 ef01bndlem 16352 sin01bnd 16353 cos01bnd 16354 sin01gt0 16358 dvradcnv 26748 bposlem3 27613 bposlem4 27614 bposlem5 27615 bposlem9 27619 istrkg3ld 28923 axlowdimlem16 29535 2sqr3minply 34412 ballotlem2 35121 nn0prpwlem 37110 jm2.20nn 44003 stoweidlem17 47026 wallispilem4 47077 nn0o1gt2ALTV 48791 ackval42 49807 |
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