Expression of type Conditional

from the theory of proveit.numbers.exponentiation

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, ExprRange, IndexedVar, Variable, a, b, m
from proveit.core_expr_types import a_1_to_m
from proveit.logic import And, Equals, InSet, NotEquals
from proveit.numbers import Complex, Exp, Mult, Real, one, zero
from proveit.numbers.exponentiation import prod_ai_raise_b__1_to_m

# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = IndexedVar(a, sub_expr1)
expr = Conditional(Equals(Exp(Mult(a_1_to_m), b), prod_ai_raise_b__1_to_m), And(ExprRange(sub_expr1, InSet(sub_expr2, Complex), one, m), InSet(b, Real), ExprRange(sub_expr1, NotEquals(sub_expr2, zero), one, m)))

expr:

# 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

# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())

\left\{\left(a_{1} \cdot  a_{2} \cdot  \ldots \cdot  a_{m}\right)^{b} = \left(\left(a_{1}\right)^{b} \cdot  \left(a_{2}\right)^{b} \cdot  \ldots \cdot  \left(a_{m}\right)^{b}\right) \textrm{ if } \left(a_{1} \in \mathbb{C}\right) ,  \left(a_{2} \in \mathbb{C}\right) ,  \ldots ,  \left(a_{m} \in \mathbb{C}\right) ,  b \in \mathbb{R}, \left(a_{1} \neq 0\right) ,  \left(a_{2} \neq 0\right) ,  \ldots ,  \left(a_{m} \neq 0\right)\right..

stored_expr.style_options()

name	description	default	current value	related methods
condition_delimiter	'comma' or 'and'	comma	comma	('with_comma_delimiter', 'with_conjunction_delimiter')

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	Conditional	value: 1 condition: 2
1	Operation	operator: 3 operands: 4
2	Operation	operator: 5 operands: 6
3	Literal
4	ExprTuple	7, 8
5	Literal
6	ExprTuple	9, 10, 11
7	Operation	operator: 36 operands: 12
8	Operation	operator: 22 operands: 13
9	ExprRange	lambda_map: 14 start_index: 34 end_index: 35
10	Operation	operator: 25 operands: 15
11	ExprRange	lambda_map: 16 start_index: 34 end_index: 35
12	ExprTuple	17, 39
13	ExprTuple	18
14	Lambda	parameter: 42 body: 19
15	ExprTuple	39, 20
16	Lambda	parameter: 42 body: 21
17	Operation	operator: 22 operands: 23
18	ExprRange	lambda_map: 24 start_index: 34 end_index: 35
19	Operation	operator: 25 operands: 26
20	Literal
21	Operation	operator: 27 operands: 28
22	Literal
23	ExprTuple	29
24	Lambda	parameter: 42 body: 30
25	Literal
26	ExprTuple	38, 31
27	Literal
28	ExprTuple	38, 32
29	ExprRange	lambda_map: 33 start_index: 34 end_index: 35
30	Operation	operator: 36 operands: 37
31	Literal
32	Literal
33	Lambda	parameter: 42 body: 38
34	Literal
35	Variable
36	Literal
37	ExprTuple	38, 39
38	IndexedVar	variable: 40 index: 42
39	Variable
40	Variable
41	ExprTuple	42
42	Variable