SimpleSpeak: sets

complex: the complex numbers

ℂ

natural: the natural numbers

ℕ

rationals: the rational numbers

ℚ

reals: the real numbers

ℝ

integers: the integers

ℤ

msup_complex: C 2

ℂ^{2}

msup_natural: N 2

ℕ^{2}

msup_rationals: Q 2

ℚ^{2}

msup_reals: R 3

ℝ^{3}

msup_integers: Z 4

ℤ^{4}

msup_positive_integers: the positive integers

ℤ^{+}

msup_negative_integers: the negative integers

ℤ^{-}

msup_positive_rationals: the positive rational numbers

ℚ^{+}

msup_negative_rationals: the negative rational numbers

ℚ^{-}

empty_set: the empty set

{

single_element_set: the set 12

{12

multiple_element_set: the set 5 comma 10 comma 15

{5, 10, 15

set_with_colon: the set of all x such that x is greater than 2

{x : x > 2

set_with_bar: the set of all x such that x is greater than 2

{x | x > 2

element_alone: 3 plus 2 i, is not an element of, the real numbers

3 + 2 i \notin ℝ

element_under_sum: the sum over i an element of the integers of; fraction, 1 over, i squared, end fraction;

\sum_{i \in ℤ} \frac{1}{i^{2}}

complicated_set_with_colon: the set of all x an element of the integers such that 2 is less than x is less than 7

{x \in ℤ : 2 < x < 7

complicated_set_with_mtext: the set of all x an element of the natural numbers such that x is an even number

{x \in ℕ | x is an even number