HomeHome Hilbert Space Explorer < Previous   Next >
Related theorems
GIF version

Definition df-cnfn 9730
Description: Define the set of continuous functionals on Hilbert space. For every "epsilon" (y) there is an "delta" (z) such that...
Assertion
Ref Expression
df-cnfn ConFn = {t∣(t: ℋ –→ℂ ⋀ ∀x ∈ ℋ ∀y ∈ ℝ (0 < y → ∃z ∈ ℝ (0 < z ⋀ ∀w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y))))}
Distinct variable group:   w,t,x,y,z

Detailed syntax breakdown of Definition df-cnfn
StepHypRef Expression
1 ccnf 8777 . 2 class ConFn
2 chil 8743 . . . . 5 class
3 cc 5215 . . . . 5 class
4 vt . . . . . 6 set t
54cv 954 . . . . 5 class t
62, 3, 5wf 3174 . . . 4 wff t: ℋ –→ℂ
7 cc0 5217 . . . . . . . 8 class 0
8 vy . . . . . . . . 9 set y
98cv 954 . . . . . . . 8 class y
10 clt 5469 . . . . . . . 8 class <
117, 9, 10wbr 2615 . . . . . . 7 wff 0 < y
12 vz . . . . . . . . . . 11 set z
1312cv 954 . . . . . . . . . 10 class z
147, 13, 10wbr 2615 . . . . . . . . 9 wff 0 < z
15 vw . . . . . . . . . . . . . . 15 set w
1615cv 954 . . . . . . . . . . . . . 14 class w
17 vx . . . . . . . . . . . . . . 15 set x
1817cv 954 . . . . . . . . . . . . . 14 class x
19 cmv 8747 . . . . . . . . . . . . . 14 class h
2016, 18, 19co 3958 . . . . . . . . . . . . 13 class (wh x)
21 cno 8749 . . . . . . . . . . . . 13 class normh
2220, 21cfv 3178 . . . . . . . . . . . 12 class (normh ‘(wh x))
2322, 13, 10wbr 2615 . . . . . . . . . . 11 wff (normh ‘(wh x)) < z
2416, 5cfv 3178 . . . . . . . . . . . . . 14 class (tw)
2518, 5cfv 3178 . . . . . . . . . . . . . 14 class (tx)
26 cmin 5275 . . . . . . . . . . . . . 14 class
2724, 25, 26co 3958 . . . . . . . . . . . . 13 class ((tw) − (tx))
28 cabs 6696 . . . . . . . . . . . . 13 class abs
2927, 28cfv 3178 . . . . . . . . . . . 12 class (abs ‘((tw) − (tx)))
3029, 9, 10wbr 2615 . . . . . . . . . . 11 wff (abs ‘((tw) − (tx))) < y
3123, 30wi 3 . . . . . . . . . 10 wff ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y)
3231, 15, 2wral 1643 . . . . . . . . 9 wff w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y)
3314, 32wa 223 . . . . . . . 8 wff (0 < z ⋀ ∀w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y))
34 cr 5216 . . . . . . . 8 class
3533, 12, 34wrex 1644 . . . . . . 7 wff z ∈ ℝ (0 < z ⋀ ∀w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y))
3611, 35wi 3 . . . . . 6 wff (0 < y → ∃z ∈ ℝ (0 < z ⋀ ∀w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y)))
3736, 8, 34wral 1643 . . . . 5 wff y ∈ ℝ (0 < y → ∃z ∈ ℝ (0 < z ⋀ ∀w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y)))
3837, 17, 2wral 1643 . . . 4 wff x ∈ ℋ ∀y ∈ ℝ (0 < y → ∃z ∈ ℝ (0 < z ⋀ ∀w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y)))
396, 38wa 223 . . 3 wff (t: ℋ –→ℂ ⋀ ∀x ∈ ℋ ∀y ∈ ℝ (0 < y → ∃z ∈ ℝ (0 < z ⋀ ∀w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y))))
4039, 4cab 1462 . 2 class {t∣(t: ℋ –→ℂ ⋀ ∀x ∈ ℋ ∀y ∈ ℝ (0 < y → ∃z ∈ ℝ (0 < z ⋀ ∀w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y))))}
411, 40wceq 955 1 wff ConFn = {t∣(t: ℋ –→ℂ ⋀ ∀x ∈ ℋ ∀y ∈ ℝ (0 < y → ∃z ∈ ℝ (0 < z ⋀ ∀w ∈ ℋ ((normh ‘(wh x)) < z → (abs ‘((tw) − (tx))) < y))))}
Colors of variables: wff set class
This definition is referenced by:  elcnfnt 9766
Copyright terms: Public domain