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List of Symbols

Chapter 1

 → Implies ↔ Implies and implied by < Less than ≤ Less than or equal to > Greater than ≥ Greater than or equal to

Chapter 2

 C The set of complex numbers ℝ The set of real numbers Q The set of rational numbers Z The set of integers ℕ The set of natural numbers ∈ Is an element of ⊆ Is a subset of ∪ Union ∩ Intersection [a, b] {x ∈ ℝ : a ≤ x ≤ b} (a, b) {x ∈ ℝ : a < x < b} (a, b] {x ∈ ℝ : a < x ≤ b} [a, b) {x ∈ ℝ : a ≤ x < b} (r, ∞) {x ∈ ℝ : r < x} [r, ∞) {x ∈ ℝ : r ≤ x} (−∞, r) {x ∈ ℝ : x < r} (−∞, r] {x ∈ ℝ : x ≤ r} P(A) The power set of A = The set of all subsets of A a R b a is related to b under the relation R [x] The equivalence class of x under the equivalence ...

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