Expression of type ExprTuple

from the theory of proveit.physics.quantum.QPE

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 ExprRange, ExprTuple, Variable, t
from proveit.numbers import Add, Neg, one, two, zero

# build up the expression from sub-expressions
expr = ExprTuple(ExprRange(Variable("_a", latex_format = r"{_{-}a}"), two, Add(Neg(t), one), zero))

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(2, 2, ..\left(t - 3\right) \times.., 2\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	ExprRange	lambda_map: 2 start_index: 3 end_index: 4
2	Lambda	parameter: 9 body: 6
3	Operation	operator: 7 operands: 8
4	Literal
5	ExprTuple	9
6	Literal
7	Literal
8	ExprTuple	10, 11
9	Variable
10	Operation	operator: 12 operand: 14
11	Literal
12	Literal
13	ExprTuple	14
14	Variable