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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 9924 | . . . 4 ⊢ ℤ≥:ℤ⟶𝒫 ℤ | |
| 2 | frel 5538 | . . . 4 ⊢ (ℤ≥:ℤ⟶𝒫 ℤ → Rel ℤ≥) | |
| 3 | 1, 2 | ax-mp 5 | . . 3 ⊢ Rel ℤ≥ |
| 4 | relelfvdm 5727 | . . 3 ⊢ ((Rel ℤ≥ ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ dom ℤ≥) | |
| 5 | 3, 4 | mpan 428 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ dom ℤ≥) |
| 6 | 1 | fdmi 5541 | . 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 4774 Rel wrel 4779 ⟶wf 5373 ‘cfv 5377 ℤcz 9644 ℤ≥cuz 9921 |
| 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 4249 ax-pow 4311 ax-pr 4346 ax-cnex 8270 ax-resscn 8271 |
| 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 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-fv 5385 df-ov 6088 df-neg 8500 df-z 9645 df-uz 9922 |
| This theorem is used by: eluz2 9927 uztrn 9939 uzneg 9941 uzss 9943 uz11 9945 eluzadd 9951 uzm1 9953 uzin 9955 uzind4 9988 elfz5 10420 elfzel1 10427 eluzfz1 10435 fzsplit2 10455 fzopth 10467 fzpred 10477 fzpreddisj 10478 fzdifsuc 10488 uzsplit 10499 uzdisj 10500 elfzp12 10506 fzm1 10507 uznfz 10510 nn0disj 10545 fzolb 10561 fzoss2 10581 fzouzdisj 10589 fzoun 10590 ige2m2fzo 10616 elfzonelfzo 10648 frec2uzrand 10842 frecfzen2 10864 seq3p1 10902 seqp1cd 10907 seq3clss 10908 seq3feq2 10913 seqfveqg 10915 seq3fveq 10916 seq3shft2 10918 seqshft2g 10919 ser3mono 10924 seq3split 10925 seqsplitg 10926 seq3caopr3 10928 seqcaopr3g 10929 seq3caopr2 10930 seq3f1olemp 10952 seq3f1oleml 10953 seq3f1o 10954 seqf1oglem2a 10955 seqf1oglem1 10956 seqf1oglem2 10957 seqf1og 10958 seq3id3 10961 seq3id 10962 seq3homo 10964 seq3z 10965 seqhomog 10967 seqfeq4g 10968 seq3distr 10969 ser3ge0 10973 ser3le 10974 leexp2a 11029 hashfz 11262 hashfzo 11263 hashfzp1 11265 seq3coll 11294 rexanuz2 11757 cau4 11882 clim2ser 12103 clim2ser2 12104 climserle 12111 fsum3cvg 12145 fsum3cvg2 12161 fsumsersdc 12162 fsum3ser 12164 fsumm1 12183 fsum1p 12185 telfsumo 12233 fsumparts 12237 cvgcmpub 12243 isumsplit 12258 cvgratnnlemmn 12292 clim2prod 12306 clim2divap 12307 prodfrecap 12313 prodfdivap 12314 ntrivcvgap 12315 fproddccvg 12339 fprodm1 12365 fprodabs 12383 fprodeq0 12384 uzwodc 12814 pcaddlem 13118 fngzsum 13708 gzsumvalx 13709 gzsumfzval 13711 gzsumval2 13714 gzsumconst 14143 gzsumshift 14149 logfac 15995 inffz 17122 |
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