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| Mirrors > Home > ILE Home > Th. List > eluznn | GIF version | ||
| Description: Membership in a positive upper set of integers implies membership in ℕ. (Contributed by JJ, 1-Oct-2018.) |
| Ref | Expression |
|---|---|
| eluznn | ⊢ ((𝑁 ∈ ℕ ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → 𝑀 ∈ ℕ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnuz 9714 | . 2 ⊢ ℕ = (ℤ≥‘1) | |
| 2 | 1 | uztrn2 9696 | 1 ⊢ ((𝑁 ∈ ℕ ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → 𝑀 ∈ ℕ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2177 ‘cfv 5285 1c1 7956 ℕcn 9066 ℤ≥cuz 9678 |
| 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-in1 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-sep 4173 ax-pow 4229 ax-pr 4264 ax-un 4493 ax-setind 4598 ax-cnex 8046 ax-resscn 8047 ax-1cn 8048 ax-1re 8049 ax-icn 8050 ax-addcl 8051 ax-addrcl 8052 ax-mulcl 8053 ax-addcom 8055 ax-addass 8057 ax-distr 8059 ax-i2m1 8060 ax-0lt1 8061 ax-0id 8063 ax-rnegex 8064 ax-cnre 8066 ax-pre-ltirr 8067 ax-pre-ltwlin 8068 ax-pre-lttrn 8069 ax-pre-ltadd 8071 |
| This theorem depends on definitions: df-bi 117 df-3or 982 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ne 2378 df-nel 2473 df-ral 2490 df-rex 2491 df-reu 2492 df-rab 2494 df-v 2775 df-sbc 3003 df-dif 3172 df-un 3174 df-in 3176 df-ss 3183 df-pw 3623 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3860 df-int 3895 df-br 4055 df-opab 4117 df-mpt 4118 df-id 4353 df-xp 4694 df-rel 4695 df-cnv 4696 df-co 4697 df-dm 4698 df-rn 4699 df-res 4700 df-ima 4701 df-iota 5246 df-fun 5287 df-fn 5288 df-f 5289 df-fv 5293 df-riota 5917 df-ov 5965 df-oprab 5966 df-mpo 5967 df-pnf 8139 df-mnf 8140 df-xr 8141 df-ltxr 8142 df-le 8143 df-sub 8275 df-neg 8276 df-inn 9067 df-z 9403 df-uz 9679 |
| This theorem is referenced by: elfzo1 10346 bcval5 10940 caucvgrelemcau 11376 caucvgre 11377 cvg1nlemcau 11380 cvg1nlemres 11381 resqrexlemcvg 11415 resqrexlemgt0 11416 resqrexlemglsq 11418 resqrexlemga 11419 climrecvg1n 11744 climcvg1nlem 11745 cvgratnnlemmn 11921 cvgratnnlemseq 11922 cvgratnnlemrate 11926 mertenslem2 11932 pcmpt2 12752 pcmptdvds 12753 2expltfac 12847 strext 13022 mulgnndir 13572 lgsdilem2 15598 cvgcmp2nlemabs 16143 trilpolemisumle 16149 trilpolemeq1 16151 trilpolemlt1 16152 nconstwlpolemgt0 16175 |
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