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Expression of type Conditional

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, a, b, c
from proveit.logic import And, Equals, InSet
from proveit.numbers import Complex, Exp, Mult, RealPos
In [2]:
# build up the expression from sub-expressions
expr = Conditional(Equals(Exp(Mult(a, b), c), Mult(Exp(a, c), Exp(b, c))), And(InSet(a, RealPos), InSet(b, RealPos), InSet(c, 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\{\left(a \cdot b\right)^{c} = \left(a^{c} \cdot b^{c}\right) \textrm{ if } a \in \mathbb{R}^+ ,  b \in \mathbb{R}^+ ,  c \in \mathbb{C}\right..
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
condition_delimiter'comma' or 'and'commacomma('with_comma_delimiter', 'with_conjunction_delimiter')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Conditionalvalue: 1
condition: 2
1Operationoperator: 3
operands: 4
2Operationoperator: 5
operands: 6
3Literal
4ExprTuple7, 8
5Literal
6ExprTuple9, 10, 11
7Operationoperator: 26
operands: 12
8Operationoperator: 23
operands: 13
9Operationoperator: 16
operands: 14
10Operationoperator: 16
operands: 15
11Operationoperator: 16
operands: 17
12ExprTuple18, 30
13ExprTuple19, 20
14ExprTuple28, 21
15ExprTuple29, 21
16Literal
17ExprTuple30, 22
18Operationoperator: 23
operands: 24
19Operationoperator: 26
operands: 25
20Operationoperator: 26
operands: 27
21Literal
22Literal
23Literal
24ExprTuple28, 29
25ExprTuple28, 30
26Literal
27ExprTuple29, 30
28Variable
29Variable
30Variable