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| Mirrors > Home > ILE Home > Th. List > eluzel2 | GIF version | ||
| Description: Implication of membership in an upper set of integers. (Contributed by NM, 6-Sep-2005.) (Revised by Mario Carneiro, 3-Nov-2013.) |
| Ref | Expression |
|---|---|
| eluzel2 | ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ ℤ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | uzf 9940 | . . . 4 ⊢ ℤ≥:ℤ⟶𝒫 ℤ | |
| 2 | frel 5541 | . . . 4 ⊢ (ℤ≥:ℤ⟶𝒫 ℤ → Rel ℤ≥) | |
| 3 | 1, 2 | ax-mp 5 | . . 3 ⊢ Rel ℤ≥ |
| 4 | relelfvdm 5730 | . . 3 ⊢ ((Rel ℤ≥ ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ dom ℤ≥) | |
| 5 | 3, 4 | mpan 428 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ dom ℤ≥) |
| 6 | 1 | fdmi 5544 | . 2 ⊢ dom ℤ≥ = ℤ |
| 7 | 5, 6 | eleqtrdi 2331 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ ℤ) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 𝒫 cpw 3688 dom cdm 4776 Rel wrel 4781 ⟶wf 5376 ‘cfv 5380 ℤcz 9655 ℤ≥cuz 9937 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-cnex 8276 ax-resscn 8277 |
| This proof depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-fv 5388 df-ov 6091 df-neg 8507 df-z 9656 df-uz 9938 |
| This theorem is used by: eluz2 9943 uztrn 9955 uzneg 9957 uzss 9959 uz11 9961 eluzadd 9967 uzm1 9969 uzin 9971 uzind4 10004 elfz5 10437 elfzel1 10444 eluzfz1 10452 fzsplit2 10472 fzopth 10484 fzpred 10494 fzpreddisj 10495 fzdifsuc 10505 uzsplit 10516 uzdisj 10517 elfzp12 10523 fzm1 10524 uznfz 10527 nn0disj 10562 fzolb 10578 fzoss2 10598 fzouzdisj 10606 fzoun 10607 ige2m2fzo 10633 elfzonelfzo 10665 frec2uzrand 10863 frecfzen2 10885 seq3p1 10923 seqp1cd 10928 seq3clss 10929 seq3feq2 10934 seqfveqg 10936 seq3fveq 10937 seq3shft2 10939 seqshft2g 10940 ser3mono 10945 seq3split 10946 seqsplitg 10947 seq3caopr3 10949 seqcaopr3g 10950 seq3caopr2 10951 seq3f1olemp 10973 seq3f1oleml 10974 seq3f1o 10975 seqf1oglem2a 10976 seqf1oglem1 10977 seqf1oglem2 10978 seqf1og 10979 seq3id3 10982 seq3id 10983 seq3homo 10985 seq3z 10986 seqhomog 10988 seqfeq4g 10989 seq3distr 10990 ser3ge0 10994 ser3le 10995 leexp2a 11050 hashfz 11284 hashfzo 11285 hashfzp1 11287 seq3coll 11316 rexanuz2 11779 cau4 11905 clim2ser 12128 clim2ser2 12129 climserle 12136 fsum3cvg 12170 fsum3cvg2 12186 fsumsersdc 12187 fsum3ser 12189 fsumm1 12208 fsum1p 12210 telfsumo 12258 fsumparts 12262 cvgcmpub 12268 isumsplit 12283 cvgratnnlemmn 12317 clim2prod 12331 clim2divap 12332 prodfrecap 12338 prodfdivap 12339 ntrivcvgap 12340 fproddccvg 12364 fprodm1 12390 fprodabs 12408 fprodeq0 12409 uzwodc 12839 pcaddlem 13147 prmlem0 13249 fngzsum 13767 gzsumvalx 13768 gzsumfzval 13770 gzsumval2 13773 gzsumconst 14233 gzsumshift 14239 logfac 16126 chtdif 16264 ppidif 16269 bcmono 16304 inffz 17329 |
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