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Expression of type ExprTuple

from the theory of proveit.physics.quantum.algebra

In [1]:
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 A, B, C, ExprTuple, alpha, beta, delta, gamma
from proveit.linear_algebra import VecAdd
from proveit.logic import Equals, InClass
from proveit.physics.quantum import Qmult, QmultCodomain, bra_varphi, ket_psi
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Qmult(bra_varphi, alpha, VecAdd(A, B, C), beta, ket_psi, gamma, bra_varphi, delta)
expr = ExprTuple(InClass(sub_expr1, QmultCodomain), Equals(sub_expr1, VecAdd(Qmult(bra_varphi, alpha, A, beta, ket_psi, gamma, bra_varphi, delta), Qmult(bra_varphi, alpha, B, beta, ket_psi, gamma, bra_varphi, delta), Qmult(bra_varphi, alpha, C, beta, ket_psi, gamma, bra_varphi, delta))).with_wrapping_at(2))
expr:
In [3]:
# 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
In [4]:
# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())
\left(\left(\langle \varphi \rvert \thinspace \alpha \thinspace \left(A + B + C\right) \thinspace \beta \thinspace \lvert \psi \rangle \thinspace \gamma \thinspace \langle \varphi \rvert \thinspace \delta\right) \underset{{\scriptscriptstyle c}}{\in} \mathcal{Q^*}, \begin{array}{c} \begin{array}{l} \left(\langle \varphi \rvert \thinspace \alpha \thinspace \left(A + B + C\right) \thinspace \beta \thinspace \lvert \psi \rangle \thinspace \gamma \thinspace \langle \varphi \rvert \thinspace \delta\right) =  \\ \left(\left(\langle \varphi \rvert \thinspace \alpha \thinspace A \thinspace \beta \thinspace \lvert \psi \rangle \thinspace \gamma \thinspace \langle \varphi \rvert \thinspace \delta\right) + \left(\langle \varphi \rvert \thinspace \alpha \thinspace B \thinspace \beta \thinspace \lvert \psi \rangle \thinspace \gamma \thinspace \langle \varphi \rvert \thinspace \delta\right) + \left(\langle \varphi \rvert \thinspace \alpha \thinspace C \thinspace \beta \thinspace \lvert \psi \rangle \thinspace \gamma \thinspace \langle \varphi \rvert \thinspace \delta\right)\right) \end{array} \end{array}\right)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
wrap_positionsposition(s) at which wrapping is to occur; 'n' is after the nth comma.()()('with_wrapping_at',)
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'leftleft('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1, 2
1Operationoperator: 3
operands: 4
2Operationoperator: 5
operands: 6
3Literal
4ExprTuple8, 7
5Literal
6ExprTuple8, 9
7Literal
8Operationoperator: 20
operands: 10
9Operationoperator: 16
operands: 11
10ExprTuple29, 24, 12, 26, 27, 28, 29, 30
11ExprTuple13, 14, 15
12Operationoperator: 16
operands: 17
13Operationoperator: 20
operands: 18
14Operationoperator: 20
operands: 19
15Operationoperator: 20
operands: 21
16Literal
17ExprTuple22, 23, 25
18ExprTuple29, 24, 22, 26, 27, 28, 29, 30
19ExprTuple29, 24, 23, 26, 27, 28, 29, 30
20Literal
21ExprTuple29, 24, 25, 26, 27, 28, 29, 30
22Variable
23Variable
24Variable
25Variable
26Variable
27Operationoperator: 31
operand: 35
28Variable
29Operationoperator: 33
operand: 36
30Variable
31Literal
32ExprTuple35
33Literal
34ExprTuple36
35Variable
36Variable