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Expression of type ExprTuple

from the theory of proveit.numbers.exponentiation

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 Conditional, ExprTuple, Lambda, n, x
from proveit.logic import Equals, Forall, InSet
from proveit.numbers import Complex, Exp, Mult, Natural, Neg, two
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Mult(two, n)
expr = ExprTuple(Lambda(x, Conditional(Forall(instance_param_or_params = [n], instance_expr = Equals(Exp(Neg(x), sub_expr1), Exp(x, sub_expr1)), domain = Natural), InSet(x, Complex))))
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(x \mapsto \left\{\forall_{n \in \mathbb{N}}~\left(\left(-x\right)^{2 \cdot n} = x^{2 \cdot n}\right) \textrm{ if } x \in \mathbb{C}\right..\right)
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1Lambdaparameter: 30
body: 2
2Conditionalvalue: 3
condition: 4
3Operationoperator: 5
operand: 8
4Operationoperator: 16
operands: 7
5Literal
6ExprTuple8
7ExprTuple30, 9
8Lambdaparameter: 32
body: 11
9Literal
10ExprTuple32
11Conditionalvalue: 12
condition: 13
12Operationoperator: 14
operands: 15
13Operationoperator: 16
operands: 17
14Literal
15ExprTuple18, 19
16Literal
17ExprTuple32, 20
18Operationoperator: 22
operands: 21
19Operationoperator: 22
operands: 23
20Literal
21ExprTuple24, 25
22Literal
23ExprTuple30, 25
24Operationoperator: 26
operand: 30
25Operationoperator: 28
operands: 29
26Literal
27ExprTuple30
28Literal
29ExprTuple31, 32
30Variable
31Literal
32Variable