Expression of type ExprTuple

from the theory of proveit.logic.booleans

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 A, C, Conditional, ExprTuple, Lambda
from proveit.logic import And, Boolean, Implies, InSet, Not

# build up the expression from sub-expressions
expr = ExprTuple(Lambda(A, Conditional(C, And(InSet(A, Boolean), Implies(A, C), Implies(Not(A), C)))))

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 \mapsto \left\{C \textrm{ if } A \in \mathbb{B} ,  A \Rightarrow C ,  (\lnot A) \Rightarrow C\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: 19 body: 2
2	Conditional	value: 16 condition: 3
3	Operation	operator: 4 operands: 5
4	Literal
5	ExprTuple	6, 7, 8
6	Operation	operator: 9 operands: 10
7	Operation	operator: 12 operands: 11
8	Operation	operator: 12 operands: 13
9	Literal
10	ExprTuple	19, 14
11	ExprTuple	19, 16
12	Literal
13	ExprTuple	15, 16
14	Literal
15	Operation	operator: 17 operand: 19
16	Variable
17	Literal
18	ExprTuple	19
19	Variable