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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 9722 | . 2 ⊢ (𝑀 ∈ ℤ → (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁))) | |
| 2 | 1 | baibd 928 | 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 2200 class class class wbr 4082 ‘cfv 5317 ≤ cle 8178 ℤcz 9442 ℤ≥cuz 9718 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4201 ax-pow 4257 ax-pr 4292 ax-cnex 8086 ax-resscn 8087 |
| This theorem depends on definitions: df-bi 117 df-3or 1003 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-sbc 3029 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3888 df-br 4083 df-opab 4145 df-mpt 4146 df-id 4383 df-xp 4724 df-rel 4725 df-cnv 4726 df-co 4727 df-dm 4728 df-iota 5277 df-fun 5319 df-fv 5325 df-ov 6003 df-neg 8316 df-z 9443 df-uz 9719 |
| This theorem is referenced by: uzneg 9737 uztric 9740 uzm1 9749 eluzdc 9801 fzn 10234 fzsplit2 10242 fznn 10281 uzsplit 10284 elfz2nn0 10304 fzouzsplit 10373 exfzdc 10441 zsupcllemstep 10444 zsupcl 10446 infssuzex 10448 fzfig 10647 faclbnd 10958 seq3coll 11059 cvg1nlemcau 11490 cvg1nlemres 11491 summodclem2a 11887 fsum0diaglem 11946 mertenslemi1 12041 prodmodclem2a 12082 pcpremul 12811 pcdvdsb 12838 pcadd 12858 pcfac 12868 pcbc 12869 prmunb 12880 gsumfzval 13419 uzdcinzz 16120 |
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