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Expression of type ExprTuple

from the theory of proveit.physics.quantum.QPE

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 ExprRange, ExprTuple, Variable, t
from proveit.logic import And, Forall, InSet
from proveit.numbers import Add, Interval, Natural, Neg, one, zero
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = InSet(Add(sub_expr1, t), Natural)
sub_expr3 = Add(Neg(t), one)
expr = ExprTuple(Forall(instance_param_or_params = [sub_expr1], instance_expr = sub_expr2, domain = Interval(sub_expr3, zero)), And(ExprRange(sub_expr1, sub_expr2, sub_expr3, zero)))
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(\forall_{{_{-}a} \in \{-t + 1~\ldotp \ldotp~0\}}~\left(\left({_{-}a} + t\right) \in \mathbb{N}\right), \left(\left(\left(-t + 1\right) + t\right) \in \mathbb{N}\right) \land  \left(\left(\left(-t + 2\right) + t\right) \in \mathbb{N}\right) \land  \ldots \land  \left(\left(0 + t\right) \in \mathbb{N}\right)\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
operand: 7
2Operationoperator: 5
operands: 6
3Literal
4ExprTuple7
5Literal
6ExprTuple8
7Lambdaparameter: 25
body: 9
8ExprRangelambda_map: 10
start_index: 23
end_index: 24
9Conditionalvalue: 13
condition: 11
10Lambdaparameter: 25
body: 13
11Operationoperator: 15
operands: 14
12ExprTuple25
13Operationoperator: 15
operands: 16
14ExprTuple25, 17
15Literal
16ExprTuple18, 19
17Operationoperator: 20
operands: 21
18Operationoperator: 26
operands: 22
19Literal
20Literal
21ExprTuple23, 24
22ExprTuple25, 32
23Operationoperator: 26
operands: 27
24Literal
25Variable
26Literal
27ExprTuple28, 29
28Operationoperator: 30
operand: 32
29Literal
30Literal
31ExprTuple32
32Variable