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| Mirrors > Home > ILE Home > Th. List > 2strstrg | GIF version | ||
| Description: A constructed two-slot structure. (Contributed by Mario Carneiro, 29-Aug-2015.) (Revised by Jim Kingdon, 28-Jan-2023.) Use 2strstrndx 13415 instead. (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| 2str.g | ⊢ 𝐺 = {〈(Base‘ndx), 𝐵〉, 〈(𝐸‘ndx), + 〉} |
| 2str.e | ⊢ 𝐸 = Slot 𝑁 |
| 2str.l | ⊢ 1 < 𝑁 |
| 2str.n | ⊢ 𝑁 ∈ ℕ |
| Ref | Expression |
|---|---|
| 2strstrg | ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → 𝐺 Struct 〈1, 𝑁〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2str.g | . 2 ⊢ 𝐺 = {〈(Base‘ndx), 𝐵〉, 〈(𝐸‘ndx), + 〉} | |
| 2 | 1nn 9265 | . . 3 ⊢ 1 ∈ ℕ | |
| 3 | basendx 13351 | . . 3 ⊢ (Base‘ndx) = 1 | |
| 4 | 2str.l | . . 3 ⊢ 1 < 𝑁 | |
| 5 | 2str.n | . . 3 ⊢ 𝑁 ∈ ℕ | |
| 6 | 2str.e | . . . 4 ⊢ 𝐸 = Slot 𝑁 | |
| 7 | 6, 5 | ndxarg 13319 | . . 3 ⊢ (𝐸‘ndx) = 𝑁 |
| 8 | 2, 3, 4, 5, 7 | strle2g 13404 | . 2 ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → {〈(Base‘ndx), 𝐵〉, 〈(𝐸‘ndx), + 〉} Struct 〈1, 𝑁〉) |
| 9 | 1, 8 | eqbrtrid 4149 | 1 ⊢ ((𝐵 ∈ 𝑉 ∧ + ∈ 𝑊) → 𝐺 Struct 〈1, 𝑁〉) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2205 {cpr 3695 〈cop 3697 class class class wbr 4114 ‘cfv 5357 1c1 8144 < clt 8324 ℕcn 9254 Struct cstr 13292 ndxcnx 13293 Slot cslot 13295 Basecbs 13296 |
| 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 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-addcom 8243 ax-addass 8245 ax-distr 8247 ax-i2m1 8248 ax-0lt1 8249 ax-0id 8251 ax-rnegex 8252 ax-cnre 8254 ax-pre-ltirr 8255 ax-pre-ltwlin 8256 ax-pre-lttrn 8257 ax-pre-apti 8258 ax-pre-ltadd 8259 |
| 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 3046 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-fv 5365 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-pnf 8326 df-mnf 8327 df-xr 8328 df-ltxr 8329 df-le 8330 df-sub 8462 df-neg 8463 df-inn 9255 df-n0 9514 df-z 9595 df-uz 9872 df-fz 10362 df-struct 13298 df-ndx 13299 df-slot 13300 df-base 13302 |
| This theorem is referenced by: 2strstr1g 13419 grpstrg 13423 |
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