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| Mirrors > Home > MPE Home > Th. List > elfzo1 | Structured version Visualization version GIF version | ||
| Description: Membership in a half-open integer range based at 1. (Contributed by Thierry Arnoux, 14-Feb-2017.) |
| Ref | Expression |
|---|---|
| elfzo1 | ⊢ (𝑁 ∈ (1..^𝑀) ↔ (𝑁 ∈ ℕ ∧ 𝑀 ∈ ℕ ∧ 𝑁 < 𝑀)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fzossnn 13839 | . . . 4 ⊢ (1..^𝑀) ⊆ ℕ | |
| 2 | 1 | sseli 3927 | . . 3 ⊢ (𝑁 ∈ (1..^𝑀) → 𝑁 ∈ ℕ) |
| 3 | elfzouz2 13802 | . . . 4 ⊢ (𝑁 ∈ (1..^𝑀) → 𝑀 ∈ (ℤ≥‘𝑁)) | |
| 4 | eluznn 13038 | . . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → 𝑀 ∈ ℕ) | |
| 5 | 2, 3, 4 | syl2anc 596 | . . 3 ⊢ (𝑁 ∈ (1..^𝑀) → 𝑀 ∈ ℕ) |
| 6 | elfzolt2 13796 | . . 3 ⊢ (𝑁 ∈ (1..^𝑀) → 𝑁 < 𝑀) | |
| 7 | 2, 5, 6 | 3jca 1146 | . 2 ⊢ (𝑁 ∈ (1..^𝑀) → (𝑁 ∈ ℕ ∧ 𝑀 ∈ ℕ ∧ 𝑁 < 𝑀)) |
| 8 | nnuz 12997 | . . . . . 6 ⊢ ℕ = (ℤ≥‘1) | |
| 9 | 8 | eqimssi 3991 | . . . . 5 ⊢ ℕ ⊆ (ℤ≥‘1) |
| 10 | 9 | sseli 3927 | . . . 4 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ (ℤ≥‘1)) |
| 11 | nnz 12707 | . . . 4 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℤ) | |
| 12 | id 23 | . . . 4 ⊢ (𝑁 < 𝑀 → 𝑁 < 𝑀) | |
| 13 | 10, 11, 12 | 3anim123i 1169 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝑀 ∈ ℕ ∧ 𝑁 < 𝑀) → (𝑁 ∈ (ℤ≥‘1) ∧ 𝑀 ∈ ℤ ∧ 𝑁 < 𝑀)) |
| 14 | elfzo2 13789 | . . 3 ⊢ (𝑁 ∈ (1..^𝑀) ↔ (𝑁 ∈ (ℤ≥‘1) ∧ 𝑀 ∈ ℤ ∧ 𝑁 < 𝑀)) | |
| 15 | 13, 14 | sylibr 237 | . 2 ⊢ ((𝑁 ∈ ℕ ∧ 𝑀 ∈ ℕ ∧ 𝑁 < 𝑀) → 𝑁 ∈ (1..^𝑀)) |
| 16 | 7, 15 | impbii 212 | 1 ⊢ (𝑁 ∈ (1..^𝑀) ↔ (𝑁 ∈ ℕ ∧ 𝑀 ∈ ℕ ∧ 𝑁 < 𝑀)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ w3a 1103 ∈ wcel 2145 class class class wbr 5103 ‘cfv 6537 (class class class)co 7418 1c1 11194 < clt 11336 ℕcn 12328 ℤcz 12686 ℤ≥cuz 12958 ..^cfzo 13781 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-cnex 11249 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 ax-pre-mulgt0 11270 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-om 7876 df-1st 7999 df-2nd 8000 df-frecs 8292 df-wrecs 8323 df-recs 8372 df-rdg 8411 df-er 8710 df-en 8967 df-dom 8968 df-sdom 8969 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 df-sub 11536 df-neg 11537 df-nn 12329 df-n0 12600 df-z 12687 df-uz 12959 df-fz 13633 df-fzo 13782 |
| This theorem is used by: 1elfzo1 13842 modfzo0difsn 14079 modsumfzodifsn 14080 cshwshashlem1 17266 cshwshashlem2 17267 pthdivtx 30305 pthdlem2lem 30346 crctcshwlkn0lem3 30394 crctcshwlkn0lem4 30395 crctcshwlkn0lem5 30396 crctcshwlkn0lem6 30397 crctcshwlkn0lem7 30398 clwwisshclwwslem 30598 fiunelros 34800 2tceilhalfelfzo1 48375 1elfzo1ceilhalf1 48380 difltmodne 48387 zplusmodne 48388 addmodne 48389 plusmod5ne 48390 minusmod5ne 48394 modmknepk 48407 mod2addne 48409 modm2nep1 48411 modm1nep2 48413 muldvdsfacgt 48425 iccpartlt 48475 nprmdvdsfacm1 48678 bgoldbtbndlem4 48875 gpgusgralem 49123 gpgedgvtx0 49128 gpgedgvtx1 49129 gpg3kgrtriexlem4 49153 gpg3kgrtriexlem6 49155 |
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