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Definition df-st 28454
 Description: Define the set of states on a Hilbert lattice. Definition of [Kalmbach] p. 266. (Contributed by NM, 23-Oct-1999.) (New usage is discouraged.)
Assertion
Ref Expression
df-st States = {𝑓 ∈ ((0[,]1) ↑𝑚 C ) ∣ ((𝑓‘ ℋ) = 1 ∧ ∀𝑥C𝑦C (𝑥 ⊆ (⊥‘𝑦) → (𝑓‘(𝑥 𝑦)) = ((𝑓𝑥) + (𝑓𝑦))))}
Distinct variable group:   𝑥,𝑓,𝑦

Detailed syntax breakdown of Definition df-st
StepHypRef Expression
1 cst 27203 . 2 class States
2 chil 27160 . . . . . 6 class
3 vf . . . . . . 7 setvar 𝑓
43cv 1474 . . . . . 6 class 𝑓
52, 4cfv 5804 . . . . 5 class (𝑓‘ ℋ)
6 c1 9816 . . . . 5 class 1
75, 6wceq 1475 . . . 4 wff (𝑓‘ ℋ) = 1
8 vx . . . . . . . . 9 setvar 𝑥
98cv 1474 . . . . . . . 8 class 𝑥
10 vy . . . . . . . . . 10 setvar 𝑦
1110cv 1474 . . . . . . . . 9 class 𝑦
12 cort 27171 . . . . . . . . 9 class
1311, 12cfv 5804 . . . . . . . 8 class (⊥‘𝑦)
149, 13wss 3540 . . . . . . 7 wff 𝑥 ⊆ (⊥‘𝑦)
15 chj 27174 . . . . . . . . . 10 class
169, 11, 15co 6549 . . . . . . . . 9 class (𝑥 𝑦)
1716, 4cfv 5804 . . . . . . . 8 class (𝑓‘(𝑥 𝑦))
189, 4cfv 5804 . . . . . . . . 9 class (𝑓𝑥)
1911, 4cfv 5804 . . . . . . . . 9 class (𝑓𝑦)
20 caddc 9818 . . . . . . . . 9 class +
2118, 19, 20co 6549 . . . . . . . 8 class ((𝑓𝑥) + (𝑓𝑦))
2217, 21wceq 1475 . . . . . . 7 wff (𝑓‘(𝑥 𝑦)) = ((𝑓𝑥) + (𝑓𝑦))
2314, 22wi 4 . . . . . 6 wff (𝑥 ⊆ (⊥‘𝑦) → (𝑓‘(𝑥 𝑦)) = ((𝑓𝑥) + (𝑓𝑦)))
24 cch 27170 . . . . . 6 class C
2523, 10, 24wral 2896 . . . . 5 wff 𝑦C (𝑥 ⊆ (⊥‘𝑦) → (𝑓‘(𝑥 𝑦)) = ((𝑓𝑥) + (𝑓𝑦)))
2625, 8, 24wral 2896 . . . 4 wff 𝑥C𝑦C (𝑥 ⊆ (⊥‘𝑦) → (𝑓‘(𝑥 𝑦)) = ((𝑓𝑥) + (𝑓𝑦)))
277, 26wa 383 . . 3 wff ((𝑓‘ ℋ) = 1 ∧ ∀𝑥C𝑦C (𝑥 ⊆ (⊥‘𝑦) → (𝑓‘(𝑥 𝑦)) = ((𝑓𝑥) + (𝑓𝑦))))
28 cc0 9815 . . . . 5 class 0
29 cicc 12049 . . . . 5 class [,]
3028, 6, 29co 6549 . . . 4 class (0[,]1)
31 cmap 7744 . . . 4 class 𝑚
3230, 24, 31co 6549 . . 3 class ((0[,]1) ↑𝑚 C )
3327, 3, 32crab 2900 . 2 class {𝑓 ∈ ((0[,]1) ↑𝑚 C ) ∣ ((𝑓‘ ℋ) = 1 ∧ ∀𝑥C𝑦C (𝑥 ⊆ (⊥‘𝑦) → (𝑓‘(𝑥 𝑦)) = ((𝑓𝑥) + (𝑓𝑦))))}
341, 33wceq 1475 1 wff States = {𝑓 ∈ ((0[,]1) ↑𝑚 C ) ∣ ((𝑓‘ ℋ) = 1 ∧ ∀𝑥C𝑦C (𝑥 ⊆ (⊥‘𝑦) → (𝑓‘(𝑥 𝑦)) = ((𝑓𝑥) + (𝑓𝑦))))}
 Colors of variables: wff setvar class This definition is referenced by:  isst  28456
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