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, y
from proveit.core_expr_types import a_1_to_i, b_1_to_j
from proveit.numbers import Mult

# build up the expression from sub-expressions
expr = ExprTuple(Mult(a_1_to_i, y, b_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(a_{1} \cdot  a_{2} \cdot  \ldots \cdot  a_{i} \cdot y\cdot b_{1} \cdot  b_{2} \cdot  \ldots \cdot  b_{j}\right)

stored_expr.style_options()

no style options

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	ExprTuple	1
1	Operation	operator: 2 operands: 3
2	Literal
3	ExprTuple	4, 5, 6
4	ExprRange	lambda_map: 7 start_index: 10 end_index: 8
5	Variable
6	ExprRange	lambda_map: 9 start_index: 10 end_index: 11
7	Lambda	parameter: 17 body: 12
8	Variable
9	Lambda	parameter: 17 body: 13
10	Literal
11	Variable
12	IndexedVar	variable: 14 index: 17
13	IndexedVar	variable: 15 index: 17
14	Variable
15	Variable
16	ExprTuple	17
17	Variable