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, b
from proveit.core_expr_types import a_1_to_i, c_1_to_j
from proveit.numbers import Mult, Neg

# build up the expression from sub-expressions
expr = ExprTuple(Neg(Mult(a_1_to_i, Neg(b), c_1_to_j)), Mult(a_1_to_i, b, c_1_to_j))

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_{1} \cdot  a_{2} \cdot  \ldots \cdot  a_{i} \cdot \left(-b\right)\cdot c_{1} \cdot  c_{2} \cdot  \ldots \cdot  c_{j}\right), a_{1} \cdot  a_{2} \cdot  \ldots \cdot  a_{i} \cdot b\cdot c_{1} \cdot  c_{2} \cdot  \ldots \cdot  c_{j}\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: 13 operand: 5
2	Operation	operator: 6 operands: 4
3	ExprTuple	5
4	ExprTuple	8, 19, 10
5	Operation	operator: 6 operands: 7
6	Literal
7	ExprTuple	8, 9, 10
8	ExprRange	lambda_map: 11 start_index: 16 end_index: 12
9	Operation	operator: 13 operand: 19
10	ExprRange	lambda_map: 15 start_index: 16 end_index: 17
11	Lambda	parameter: 24 body: 18
12	Variable
13	Literal
14	ExprTuple	19
15	Lambda	parameter: 24 body: 20
16	Literal
17	Variable
18	IndexedVar	variable: 21 index: 24
19	Variable
20	IndexedVar	variable: 22 index: 24
21	Variable
22	Variable
23	ExprTuple	24
24	Variable