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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 13285 | . . 3 ⊢ (Base‘ndx) ∈ ℕ | |
| 3 | eqid 2234 | . . 3 ⊢ (Base‘ndx) = (Base‘ndx) | |
| 4 | 2strndx.b | . . 3 ⊢ (Base‘ndx) < 𝑁 | |
| 5 | 2strndx.n | . . 3 ⊢ 𝑁 ∈ ℕ | |
| 6 | eqid 2234 | . . 3 ⊢ 𝑁 = 𝑁 | |
| 7 | 2, 3, 4, 5, 6 | strle2g 13337 | . 2 ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → {〈(Base‘ndx), 𝐵〉, 〈𝑁, + 〉} Struct 〈(Base‘ndx), 𝑁〉) |
| 8 | 1, 7 | eqbrtrid 4146 | 1 ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → 𝐺 Struct 〈(Base‘ndx), 𝑁〉) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2205 {cpr 3692 〈cop 3694 class class class wbr 4111 ‘cfv 5354 < clt 8310 ℕcn 9239 Struct cstr 13225 ndxcnx 13226 Basecbs 13229 |
| 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 2207 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-cnex 8220 ax-resscn 8221 ax-1cn 8222 ax-1re 8223 ax-icn 8224 ax-addcl 8225 ax-addrcl 8226 ax-mulcl 8227 ax-addcom 8229 ax-addass 8231 ax-distr 8233 ax-i2m1 8234 ax-0lt1 8235 ax-0id 8237 ax-rnegex 8238 ax-cnre 8240 ax-pre-ltirr 8241 ax-pre-ltwlin 8242 ax-pre-lttrn 8243 ax-pre-apti 8244 ax-pre-ltadd 8245 |
| 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 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3045 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-nul 3511 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-f 5358 df-fv 5362 df-riota 6005 df-ov 6055 df-oprab 6056 df-mpo 6057 df-pnf 8312 df-mnf 8313 df-xr 8314 df-ltxr 8315 df-le 8316 df-sub 8448 df-neg 8449 df-inn 9240 df-n0 9499 df-z 9580 df-uz 9857 df-fz 10346 df-struct 13231 df-ndx 13232 df-slot 13233 df-base 13235 |
| This theorem is referenced by: structvtxval 16051 structiedg0val 16052 struct2grstrg 16056 |
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