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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 9596 | . 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 2164 class class class wbr 4029 ‘cfv 5254 ≤ cle 8055 ℤcz 9317 ℤ≥cuz 9592 |
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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-cnex 7963 ax-resscn 7964 |
This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-sbc 2986 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-iota 5215 df-fun 5256 df-fv 5262 df-ov 5921 df-neg 8193 df-z 9318 df-uz 9593 |
This theorem is referenced by: uzneg 9611 uztric 9614 uzm1 9623 eluzdc 9675 fzn 10108 fzsplit2 10116 fznn 10155 uzsplit 10158 elfz2nn0 10178 fzouzsplit 10246 exfzdc 10307 fzfig 10501 faclbnd 10812 seq3coll 10913 cvg1nlemcau 11128 cvg1nlemres 11129 summodclem2a 11524 fsum0diaglem 11583 mertenslemi1 11678 prodmodclem2a 11719 zsupcllemstep 12082 zsupcl 12084 infssuzex 12086 pcpremul 12431 pcdvdsb 12458 pcadd 12478 pcfac 12488 pcbc 12489 prmunb 12500 gsumfzval 12974 uzdcinzz 15290 |
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