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| Mirrors > Home > ILE Home > Th. List > opelstrbas | GIF version | ||
| Description: The base set of a structure with a base set. (Contributed by AV, 10-Nov-2021.) |
| Ref | Expression |
|---|---|
| opelstrbas.s | ⊢ (𝜑 → 𝑆 Struct 𝑋) |
| opelstrbas.v | ⊢ (𝜑 → 𝑉 ∈ 𝑌) |
| opelstrbas.b | ⊢ (𝜑 → 〈(Base‘ndx), 𝑉〉 ∈ 𝑆) |
| Ref | Expression |
|---|---|
| opelstrbas | ⊢ (𝜑 → 𝑉 = (Base‘𝑆)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | baseslid 12889 | . 2 ⊢ (Base = Slot (Base‘ndx) ∧ (Base‘ndx) ∈ ℕ) | |
| 2 | opelstrbas.s | . 2 ⊢ (𝜑 → 𝑆 Struct 𝑋) | |
| 3 | opelstrbas.v | . 2 ⊢ (𝜑 → 𝑉 ∈ 𝑌) | |
| 4 | opelstrbas.b | . 2 ⊢ (𝜑 → 〈(Base‘ndx), 𝑉〉 ∈ 𝑆) | |
| 5 | 1, 2, 3, 4 | opelstrsl 12946 | 1 ⊢ (𝜑 → 𝑉 = (Base‘𝑆)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1373 ∈ wcel 2176 〈cop 3636 class class class wbr 4044 ‘cfv 5271 Struct cstr 12828 ndxcnx 12829 Basecbs 12832 |
| 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 615 ax-in2 616 ax-io 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-13 2178 ax-14 2179 ax-ext 2187 ax-sep 4162 ax-pow 4218 ax-pr 4253 ax-un 4480 ax-cnex 8016 ax-resscn 8017 ax-1re 8019 ax-addrcl 8022 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ne 2377 df-ral 2489 df-rex 2490 df-rab 2493 df-v 2774 df-sbc 2999 df-dif 3168 df-un 3170 df-in 3172 df-ss 3179 df-nul 3461 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-uni 3851 df-int 3886 df-br 4045 df-opab 4106 df-mpt 4107 df-id 4340 df-xp 4681 df-rel 4682 df-cnv 4683 df-co 4684 df-dm 4685 df-rn 4686 df-res 4687 df-iota 5232 df-fun 5273 df-fv 5279 df-inn 9037 df-struct 12834 df-ndx 12835 df-slot 12836 df-base 12838 |
| This theorem is referenced by: 2strbas1g 12955 rngbaseg 12968 srngbased 12979 lmodbased 12997 ipsbased 13009 topgrpbasd 13029 psrbasg 14436 basvtxval2dom 15631 |
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