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 ExprTuple, Variable
from proveit.numbers import Add, Exp, Mult, frac, one, three, two
from proveit.physics.quantum.QPE import _eps

# build up the expression from sub-expressions
expr = ExprTuple(Mult(_eps, frac(Add(Mult(three, _eps), one), Exp(Variable("_a", latex_format = r"{_{-}a}"), two))))

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(\epsilon \cdot \frac{\left(3 \cdot \epsilon\right) + 1}{{_{-}a}^{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	Operation	operator: 16 operands: 2
2	ExprTuple	19, 3
3	Operation	operator: 4 operands: 5
4	Literal
5	ExprTuple	6, 7
6	Operation	operator: 8 operands: 9
7	Operation	operator: 10 operands: 11
8	Literal
9	ExprTuple	12, 13
10	Literal
11	ExprTuple	14, 15
12	Operation	operator: 16 operands: 17
13	Literal
14	Variable
15	Literal
16	Literal
17	ExprTuple	18, 19
18	Literal
19	Literal