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
from proveit.numbers import Mult, Neg, five, frac, six, three, two

# build up the expression from sub-expressions
sub_expr1 = frac(six, Neg(five))
expr = ExprTuple(Mult(frac(Neg(two), three), sub_expr1), Mult(Neg(frac(two, three)), sub_expr1))

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(\frac{-2}{3} \cdot \frac{6}{-5}, \left(-\frac{2}{3}\right) \cdot \frac{6}{-5}\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: 4 operands: 3
2	Operation	operator: 4 operands: 5
3	ExprTuple	6, 8
4	Literal
5	ExprTuple	7, 8
6	Operation	operator: 17 operands: 9
7	Operation	operator: 19 operand: 13
8	Operation	operator: 17 operands: 11
9	ExprTuple	12, 22
10	ExprTuple	13
11	ExprTuple	14, 15
12	Operation	operator: 19 operand: 21
13	Operation	operator: 17 operands: 18
14	Literal
15	Operation	operator: 19 operand: 23
16	ExprTuple	21
17	Literal
18	ExprTuple	21, 22
19	Literal
20	ExprTuple	23
21	Literal
22	Literal
23	Literal