Expression of type ExprTuple

from the theory of proveit.physics.quantum.algebra

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.linear_algebra import VecAdd, VecNeg
from proveit.numbers import frac, one, sqrt, two
from proveit.physics.quantum import ket0, ket1

# build up the expression from sub-expressions
expr = ExprTuple(frac(one, sqrt(two)), VecAdd(ket0, VecNeg(ket1)))

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{1}{\sqrt{2}}, \lvert 0 \rangle + \left(-\lvert 1 \rangle\right)\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: 17 operands: 3
2	Operation	operator: 4 operands: 5
3	ExprTuple	22, 6
4	Literal
5	ExprTuple	7, 8
6	Operation	operator: 9 operands: 10
7	Operation	operator: 19 operand: 15
8	Operation	operator: 12 operand: 16
9	Literal
10	ExprTuple	21, 14
11	ExprTuple	15
12	Literal
13	ExprTuple	16
14	Operation	operator: 17 operands: 18
15	Literal
16	Operation	operator: 19 operand: 22
17	Literal
18	ExprTuple	22, 21
19	Literal
20	ExprTuple	22
21	Literal
22	Literal