Expression of type ExprTuple

from the theory of proveit.trigonometry

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, theta
from proveit.logic import InSet
from proveit.numbers import IntervalCC, one, pi, zero
from proveit.trigonometry import Sin

# build up the expression from sub-expressions
expr = ExprTuple(Lambda(theta, Conditional(InSet(Sin(theta), IntervalCC(zero, one)), InSet(theta, IntervalCC(zero, pi)))))

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(\theta \mapsto \left\{\sin{\theta} \in \left[0,1\right] \textrm{ if } \theta \in \left[0,\pi\right]\right..\right)

stored_expr.style_options()

no style options

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	ExprTuple	1
1	Lambda	parameter: 16 body: 2
2	Conditional	value: 3 condition: 4
3	Operation	operator: 6 operands: 5
4	Operation	operator: 6 operands: 7
5	ExprTuple	8, 9
6	Literal
7	ExprTuple	16, 10
8	Operation	operator: 11 operand: 16
9	Operation	operator: 14 operands: 13
10	Operation	operator: 14 operands: 15
11	Literal
12	ExprTuple	16
13	ExprTuple	18, 17
14	Literal
15	ExprTuple	18, 19
16	Variable
17	Literal
18	Literal
19	Literal