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| Mirrors > Home > ILE Home > Th. List > 2strstrndx | GIF version | ||
| Description: A constructed two-slot structure not depending on the hard-coded index value of the base set. (Contributed by Mario Carneiro, 29-Aug-2015.) (Revised by Jim Kingdon, 14-Dec-2025.) |
| Ref | Expression |
|---|---|
| 2strndx.g | ⊢ 𝐺 = {〈(Base‘ndx), 𝐵〉, 〈𝑁, + 〉} |
| 2strndx.b | ⊢ (Base‘ndx) < 𝑁 |
| 2strndx.n | ⊢ 𝑁 ∈ ℕ |
| Ref | Expression |
|---|---|
| 2strstrndx | ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → 𝐺 Struct 〈(Base‘ndx), 𝑁〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2strndx.g | . 2 ⊢ 𝐺 = {〈(Base‘ndx), 𝐵〉, 〈𝑁, + 〉} | |
| 2 | basendxnn 13391 | . . 3 ⊢ (Base‘ndx) ∈ ℕ | |
| 3 | eqid 2238 | . . 3 ⊢ (Base‘ndx) = (Base‘ndx) | |
| 4 | 2strndx.b | . . 3 ⊢ (Base‘ndx) < 𝑁 | |
| 5 | 2strndx.n | . . 3 ⊢ 𝑁 ∈ ℕ | |
| 6 | eqid 2238 | . . 3 ⊢ 𝑁 = 𝑁 | |
| 7 | 2, 3, 4, 5, 6 | strle2g 13444 | . 2 ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → {〈(Base‘ndx), 𝐵〉, 〈𝑁, + 〉} Struct 〈(Base‘ndx), 𝑁〉) |
| 8 | 1, 7 | eqbrtrid 4163 | 1 ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → 𝐺 Struct 〈(Base‘ndx), 𝑁〉) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 {cpr 3709 〈cop 3711 class class class wbr 4128 ‘cfv 5375 < clt 8354 ℕcn 9287 Struct cstr 13331 ndxcnx 13332 Basecbs 13335 |
| 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 623 ax-in2 624 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 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-distr 8277 ax-i2m1 8278 ax-0lt1 8279 ax-0id 8281 ax-rnegex 8282 ax-cnre 8284 ax-pre-ltirr 8285 ax-pre-ltwlin 8286 ax-pre-lttrn 8287 ax-pre-apti 8288 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 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-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-pnf 8356 df-mnf 8357 df-xr 8358 df-ltxr 8359 df-le 8360 df-sub 8493 df-neg 8494 df-inn 9288 df-n0 9547 df-z 9628 df-uz 9905 df-fz 10395 df-struct 13337 df-ndx 13338 df-slot 13339 df-base 13341 |
| This theorem is referenced by: structvtxval 16263 structiedg0val 16264 struct2grstrg 16268 |
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