Expression of type Forall

from the theory of proveit.numbers.exponentiation

import proveit
# Automation is not needed when building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_expr # Load the stored expression as 'stored_expr'
# import Expression classes needed to build the expression
from proveit import r, theta
from proveit.logic import Forall, NotEquals, NotInSet
from proveit.numbers import Exp, Integer, Mult, Real, RealPos, e, frac, i, pi, two

# build up the expression from sub-expressions
expr = Forall(instance_param_or_params = [r, theta], instance_expr = NotEquals(Mult(r, Exp(e, Mult(i, theta))), r), domains = [RealPos, Real], condition = NotInSet(frac(theta, Mult(two, pi)), Integer))

expr:

# check that the built expression is the same as the stored expression
assert expr == stored_expr
assert expr._style_id == stored_expr._style_id
print("Passed sanity check: expr matches stored_expr")

Passed sanity check: expr matches stored_expr

# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())

\forall_{r \in \mathbb{R}^+, \theta \in \mathbb{R}~|~\frac{\theta}{2 \cdot \pi} \notin \mathbb{Z}}~\left(\left(r \cdot \mathsf{e}^{\mathsf{i} \cdot \theta}\right) \neq r\right)

stored_expr.style_options()

name	description	default	current value	related methods
with_wrapping	If 'True', wrap the Expression after the parameters	None	None/False	('with_wrapping',)
condition_wrapping	Wrap 'before' or 'after' the condition (or None).	None	None/False	('with_wrap_after_condition', 'with_wrap_before_condition')
wrap_params	If 'True', wraps every two parameters AND wraps the Expression after the parameters	None	None/False	('with_params',)
justification	justify to the 'left', 'center', or 'right' in the array cells	center	center	('with_justification',)

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	Operation	operator: 1 operand: 3
1	Literal
2	ExprTuple	3
3	Lambda	parameters: 4 body: 5
4	ExprTuple	23, 39
5	Conditional	value: 6 condition: 7
6	Operation	operator: 8 operands: 9
7	Operation	operator: 10 operands: 11
8	Literal
9	ExprTuple	12, 23
10	Literal
11	ExprTuple	13, 14, 15
12	Operation	operator: 36 operands: 16
13	Operation	operator: 18 operands: 17
14	Operation	operator: 18 operands: 19
15	Operation	operator: 20 operands: 21
16	ExprTuple	23, 22
17	ExprTuple	23, 24
18	Literal
19	ExprTuple	39, 25
20	Literal
21	ExprTuple	26, 27
22	Operation	operator: 28 operands: 29
23	Variable
24	Literal
25	Literal
26	Operation	operator: 30 operands: 31
27	Literal
28	Literal
29	ExprTuple	32, 33
30	Literal
31	ExprTuple	39, 34
32	Literal
33	Operation	operator: 36 operands: 35
34	Operation	operator: 36 operands: 37
35	ExprTuple	38, 39
36	Literal
37	ExprTuple	40, 41
38	Literal
39	Variable
40	Literal
41	Literal