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| Mirrors > Home > ILE Home > Th. List > eluz | GIF version | ||
| Description: Membership in an upper set of integers. (Contributed by NM, 2-Oct-2005.) |
| Ref | Expression |
|---|---|
| eluz | ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑁 ∈ (ℤ≥‘𝑀) ↔ 𝑀 ≤ 𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eluz1 9624 | . 2 ⊢ (𝑀 ∈ ℤ → (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁))) | |
| 2 | 1 | baibd 924 | 1 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑁 ∈ (ℤ≥‘𝑀) ↔ 𝑀 ≤ 𝑁)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 ∈ wcel 2167 class class class wbr 4034 ‘cfv 5259 ≤ cle 8081 ℤcz 9345 ℤ≥cuz 9620 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 ax-cnex 7989 ax-resscn 7990 |
| This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-rab 2484 df-v 2765 df-sbc 2990 df-un 3161 df-in 3163 df-ss 3170 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-uni 3841 df-br 4035 df-opab 4096 df-mpt 4097 df-id 4329 df-xp 4670 df-rel 4671 df-cnv 4672 df-co 4673 df-dm 4674 df-iota 5220 df-fun 5261 df-fv 5267 df-ov 5928 df-neg 8219 df-z 9346 df-uz 9621 |
| This theorem is referenced by: uzneg 9639 uztric 9642 uzm1 9651 eluzdc 9703 fzn 10136 fzsplit2 10144 fznn 10183 uzsplit 10186 elfz2nn0 10206 fzouzsplit 10274 exfzdc 10335 zsupcllemstep 10338 zsupcl 10340 infssuzex 10342 fzfig 10541 faclbnd 10852 seq3coll 10953 cvg1nlemcau 11168 cvg1nlemres 11169 summodclem2a 11565 fsum0diaglem 11624 mertenslemi1 11719 prodmodclem2a 11760 pcpremul 12489 pcdvdsb 12516 pcadd 12536 pcfac 12546 pcbc 12547 prmunb 12558 gsumfzval 13095 uzdcinzz 15552 |
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