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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 12884 | . 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 2146 class class class wbr 5111 ‘cfv 6540 ≤ cle 11261 ℤcz 12608 ℤ≥cuz 12880 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-pr 5406 ax-cnex 11173 ax-resscn 11174 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-iota 6496 df-fun 6542 df-fv 6548 df-ov 7422 df-neg 11461 df-z 12609 df-uz 12881 |
| This theorem is used by: eluz2b1 12961 faclbnd4lem1 14349 climcndslem1 15928 ef01bndlem 16264 sin01bnd 16265 cos01bnd 16266 sin01gt0 16270 dvradcnv 26637 bposlem3 27503 bposlem4 27504 bposlem5 27505 bposlem9 27509 istrkg3ld 28783 axlowdimlem16 29364 2sqr3minply 34236 ballotlem2 34946 nn0prpwlem 36892 jm2.20nn 43784 stoweidlem17 46791 wallispilem4 46842 nn0o1gt2ALTV 48519 ackval42 49535 |
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