Expression of type Lambda

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, Lambda, a, b, c
from proveit.logic import And, Equals, InSet
from proveit.numbers import Complex, Exp, RealPos, frac, subtract

# build up the expression from sub-expressions
expr = Lambda([a, b, c], Conditional(Equals(frac(Exp(a, b), Exp(a, c)), Exp(a, subtract(b, c))), And(InSet(a, RealPos), InSet(b, Complex), InSet(c, Complex))))

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(a, b, c\right) \mapsto \left\{\frac{a^{b}}{a^{c}} = a^{b - c} \textrm{ if } a \in \mathbb{R}^+ ,  b \in \mathbb{C} ,  c \in \mathbb{C}\right..

stored_expr.style_options()

no style options

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	Lambda	parameters: 1 body: 2
1	ExprTuple	31, 32, 36
2	Conditional	value: 3 condition: 4
3	Operation	operator: 5 operands: 6
4	Operation	operator: 7 operands: 8
5	Literal
6	ExprTuple	9, 10
7	Literal
8	ExprTuple	11, 12, 13
9	Operation	operator: 14 operands: 15
10	Operation	operator: 27 operands: 16
11	Operation	operator: 19 operands: 17
12	Operation	operator: 19 operands: 18
13	Operation	operator: 19 operands: 20
14	Literal
15	ExprTuple	21, 22
16	ExprTuple	31, 23
17	ExprTuple	31, 24
18	ExprTuple	32, 25
19	Literal
20	ExprTuple	36, 25
21	Operation	operator: 27 operands: 26
22	Operation	operator: 27 operands: 28
23	Operation	operator: 29 operands: 30
24	Literal
25	Literal
26	ExprTuple	31, 32
27	Literal
28	ExprTuple	31, 36
29	Literal
30	ExprTuple	32, 33
31	Variable
32	Variable
33	Operation	operator: 34 operand: 36
34	Literal
35	ExprTuple	36
36	Variable