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| Mirrors > Home > ILE Home > Th. List > structfn | GIF version | ||
| Description: Convert between two kinds of structure closure. (Contributed by Mario Carneiro, 29-Aug-2015.) |
| Ref | Expression |
|---|---|
| structfn.1 | ⊢ 𝐹 Struct 〈𝑀, 𝑁〉 |
| Ref | Expression |
|---|---|
| structfn | ⊢ (Fun ◡◡𝐹 ∧ dom 𝐹 ⊆ (1...𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | structfn.1 | . . 3 ⊢ 𝐹 Struct 〈𝑀, 𝑁〉 | |
| 2 | 1 | structfun 13230 | . 2 ⊢ Fun ◡◡𝐹 |
| 3 | isstructim 13226 | . . . . 5 ⊢ (𝐹 Struct 〈𝑀, 𝑁〉 → ((𝑀 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑀 ≤ 𝑁) ∧ Fun (𝐹 ∖ {∅}) ∧ dom 𝐹 ⊆ (𝑀...𝑁))) | |
| 4 | 1, 3 | ax-mp 5 | . . . 4 ⊢ ((𝑀 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑀 ≤ 𝑁) ∧ Fun (𝐹 ∖ {∅}) ∧ dom 𝐹 ⊆ (𝑀...𝑁)) |
| 5 | 4 | simp3i 1035 | . . 3 ⊢ dom 𝐹 ⊆ (𝑀...𝑁) |
| 6 | 4 | simp1i 1033 | . . . . . 6 ⊢ (𝑀 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑀 ≤ 𝑁) |
| 7 | 6 | simp1i 1033 | . . . . 5 ⊢ 𝑀 ∈ ℕ |
| 8 | elnnuz 9891 | . . . . 5 ⊢ (𝑀 ∈ ℕ ↔ 𝑀 ∈ (ℤ≥‘1)) | |
| 9 | 7, 8 | mpbi 145 | . . . 4 ⊢ 𝑀 ∈ (ℤ≥‘1) |
| 10 | fzss1 10397 | . . . 4 ⊢ (𝑀 ∈ (ℤ≥‘1) → (𝑀...𝑁) ⊆ (1...𝑁)) | |
| 11 | 9, 10 | ax-mp 5 | . . 3 ⊢ (𝑀...𝑁) ⊆ (1...𝑁) |
| 12 | 5, 11 | sstri 3247 | . 2 ⊢ dom 𝐹 ⊆ (1...𝑁) |
| 13 | 2, 12 | pm3.2i 272 | 1 ⊢ (Fun ◡◡𝐹 ∧ dom 𝐹 ⊆ (1...𝑁)) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 ∧ w3a 1005 ∈ wcel 2203 ∖ cdif 3208 ⊆ wss 3211 ∅c0 3508 {csn 3689 〈cop 3692 class class class wbr 4109 ◡ccnv 4748 dom cdm 4749 Fun wfun 5346 ‘cfv 5352 (class class class)co 6050 1c1 8128 ≤ cle 8309 ℕcn 9237 ℤ≥cuz 9853 ...cfz 10342 Struct cstr 13208 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-setind 4659 ax-cnex 8218 ax-resscn 8219 ax-1cn 8220 ax-1re 8221 ax-icn 8222 ax-addcl 8223 ax-addrcl 8224 ax-mulcl 8225 ax-addcom 8227 ax-addass 8229 ax-distr 8231 ax-i2m1 8232 ax-0lt1 8233 ax-0id 8235 ax-rnegex 8236 ax-cnre 8238 ax-pre-ltirr 8239 ax-pre-ltwlin 8240 ax-pre-lttrn 8241 ax-pre-ltadd 8243 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2815 df-sbc 3043 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-nul 3509 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-int 3950 df-br 4110 df-opab 4172 df-mpt 4173 df-id 4414 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-rn 4760 df-res 4761 df-ima 4762 df-iota 5312 df-fun 5354 df-fn 5355 df-f 5356 df-fv 5360 df-riota 6003 df-ov 6053 df-oprab 6054 df-mpo 6055 df-pnf 8310 df-mnf 8311 df-xr 8312 df-ltxr 8313 df-le 8314 df-sub 8446 df-neg 8447 df-inn 9238 df-z 9578 df-uz 9854 df-fz 10343 df-struct 13214 |
| This theorem is referenced by: (None) |
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