logo

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
from proveit.logic import And, Equals, InSet, NotEquals
from proveit.numbers import Add, Complex, Exp, Mult, one, zero
In [2]:
# build up the expression from sub-expressions
expr = Conditional(Equals(Mult(a, Exp(a, b)), Exp(a, Add(one, b))), And(InSet(a, Complex), InSet(b, Complex), NotEquals(a, 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\{\left(a \cdot a^{b}\right) = a^{1 + b} \textrm{ if } a \in \mathbb{C} ,  b \in \mathbb{C} ,  a \neq 0\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: 12
operands: 13
8Operationoperator: 24
operands: 14
9Operationoperator: 16
operands: 15
10Operationoperator: 16
operands: 17
11Operationoperator: 18
operands: 19
12Literal
13ExprTuple28, 20
14ExprTuple28, 21
15ExprTuple28, 22
16Literal
17ExprTuple30, 22
18Literal
19ExprTuple28, 23
20Operationoperator: 24
operands: 25
21Operationoperator: 26
operands: 27
22Literal
23Literal
24Literal
25ExprTuple28, 30
26Literal
27ExprTuple29, 30
28Variable
29Literal
30Variable