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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 9803 | . 2 ⊢ (𝑀 ∈ ℤ → (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁))) | |
| 2 | 1 | baibd 931 | 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 2202 class class class wbr 4093 ‘cfv 5333 ≤ cle 8257 ℤcz 9523 ℤ≥cuz 9799 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-cnex 8166 ax-resscn 8167 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-sbc 3033 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-iota 5293 df-fun 5335 df-fv 5341 df-ov 6031 df-neg 8395 df-z 9524 df-uz 9800 |
| This theorem is referenced by: uzneg 9819 uztric 9822 uzm1 9831 eluzdc 9888 fzn 10322 fzsplit2 10330 fznn 10369 uzsplit 10372 elfz2nn0 10392 fzouzsplit 10461 exfzdc 10532 zsupcllemstep 10535 zsupcl 10537 infssuzex 10539 fzfig 10738 faclbnd 11049 seq3coll 11152 cvg1nlemcau 11607 cvg1nlemres 11608 summodclem2a 12005 fsum0diaglem 12064 mertenslemi1 12159 prodmodclem2a 12200 pcpremul 12929 pcdvdsb 12956 pcadd 12976 pcfac 12986 pcbc 12987 prmunb 12998 gsumfzval 13537 uzdcinzz 16499 |
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