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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 8476 | . . . 4 ⊢ ℤ≥:ℤ⟶𝒫 ℤ | |
2 | frel 5049 | . . . 4 ⊢ (ℤ≥:ℤ⟶𝒫 ℤ → Rel ℤ≥) | |
3 | 1, 2 | ax-mp 7 | . . 3 ⊢ Rel ℤ≥ |
4 | relelfvdm 5205 | . . 3 ⊢ ((Rel ℤ≥ ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ dom ℤ≥) | |
5 | 3, 4 | mpan 400 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ dom ℤ≥) |
6 | 1 | fdmi 5051 | . 2 ⊢ dom ℤ≥ = ℤ |
7 | 5, 6 | syl6eleq 2130 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ ℤ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1393 𝒫 cpw 3359 dom cdm 4345 Rel wrel 4350 ⟶wf 4898 ‘cfv 4902 ℤcz 8245 ℤ≥cuz 8473 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-sep 3875 ax-pow 3927 ax-pr 3944 ax-cnex 6975 ax-resscn 6976 |
This theorem depends on definitions: df-bi 110 df-3or 886 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-rab 2315 df-v 2559 df-sbc 2765 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-uni 3581 df-br 3765 df-opab 3819 df-mpt 3820 df-id 4030 df-xp 4351 df-rel 4352 df-cnv 4353 df-co 4354 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 df-iota 4867 df-fun 4904 df-fn 4905 df-f 4906 df-fv 4910 df-ov 5515 df-neg 7185 df-z 8246 df-uz 8474 |
This theorem is referenced by: eluz2 8479 uztrn 8489 uzneg 8491 uzss 8493 uz11 8495 eluzadd 8501 uzm1 8503 uzin 8505 uzind4 8531 elfz5 8882 elfzel1 8889 eluzfz1 8895 fzsplit2 8914 fzopth 8924 fzpred 8932 fzpreddisj 8933 fzdifsuc 8943 uzsplit 8954 uzdisj 8955 elfzp12 8961 fzm1 8962 uznfz 8965 nn0disj 8995 fzolb 9009 fzoss2 9028 fzouzdisj 9036 ige2m2fzo 9054 elfzonelfzo 9086 frec2uzrand 9191 frecfzen2 9204 iseqcl 9223 iseqp1 9225 iseqfeq2 9229 iseqfveq 9230 iseqshft2 9232 iseqsplit 9238 iseqcaopr3 9240 iseqid3s 9246 iseqid 9247 iseqhomo 9248 serige0 9252 serile 9253 leexp2a 9307 rexanuz2 9589 cau4 9712 clim2iser 9857 clim2iser2 9858 climserile 9865 |
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