Expression of type ExprTuple

from the theory of proveit.numbers.multiplication

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 ExprTuple, Variable, a, b, delta, k, theta
from proveit.numbers import Add, Exp, Mult, e, i, pi, two

# build up the expression from sub-expressions
sub_expr1 = Add(a, b)
sub_expr2 = Exp(e, Mult(two, pi, i, b))
expr = ExprTuple(Mult(sub_expr1, Exp(e, Mult(two, pi, i, k, delta)), Exp(e, Mult(two, pi, i, theta, k)), sub_expr2), Mult(sub_expr1, Variable("_a", latex_format = r"{_{-}a}"), sub_expr2))

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())

\left(\left(a + b\right) \cdot \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot k \cdot \delta} \cdot \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \theta \cdot k} \cdot \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot b}, \left(a + b\right) \cdot {_{-}a} \cdot \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot b}\right)

stored_expr.style_options()

name	description	default	current value	related methods
wrap_positions	position(s) at which wrapping is to occur; 'n' is after the nth comma.	()	()	('with_wrapping_at',)
justification	if any wrap positions are set, justify to the 'left', 'center', or 'right'	left	left	('with_justification',)

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	ExprTuple	1, 2
1	Operation	operator: 23 operands: 3
2	Operation	operator: 23 operands: 4
3	ExprTuple	7, 5, 6, 9
4	ExprTuple	7, 8, 9
5	Operation	operator: 14 operands: 10
6	Operation	operator: 14 operands: 11
7	Operation	operator: 12 operands: 13
8	Variable
9	Operation	operator: 14 operands: 15
10	ExprTuple	19, 16
11	ExprTuple	19, 17
12	Literal
13	ExprTuple	18, 31
14	Literal
15	ExprTuple	19, 20
16	Operation	operator: 23 operands: 21
17	Operation	operator: 23 operands: 22
18	Variable
19	Literal
20	Operation	operator: 23 operands: 24
21	ExprTuple	28, 29, 30, 27, 25
22	ExprTuple	28, 29, 30, 26, 27
23	Literal
24	ExprTuple	28, 29, 30, 31
25	Variable
26	Variable
27	Variable
28	Literal
29	Literal
30	Literal
31	Variable