Expression of type And

from the theory of proveit.logic.booleans.conjunction

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, B, C, D, ExprRange, IndexedVar, Variable, l, m, n
from proveit.logic import And, Boolean, InSet
from proveit.numbers import one

# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
expr = And(ExprRange(sub_expr1, InSet(IndexedVar(A, sub_expr1), Boolean), one, l), ExprRange(sub_expr1, InSet(IndexedVar(B, sub_expr1), Boolean), one, m), InSet(C, Boolean), ExprRange(sub_expr1, InSet(IndexedVar(D, sub_expr1), Boolean), one, n))

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_{1} \in \mathbb{B}\right) \land  \left(A_{2} \in \mathbb{B}\right) \land  \ldots \land  \left(A_{l} \in \mathbb{B}\right)\land \left(B_{1} \in \mathbb{B}\right) \land  \left(B_{2} \in \mathbb{B}\right) \land  \ldots \land  \left(B_{m} \in \mathbb{B}\right) \land \left(C \in \mathbb{B}\right)\land \left(D_{1} \in \mathbb{B}\right) \land  \left(D_{2} \in \mathbb{B}\right) \land  \ldots \land  \left(D_{n} \in \mathbb{B}\right)

stored_expr.style_options()

name	description	default	current value	related methods
operation	'infix' or 'function' style formatting	infix	infix
wrap_positions	position(s) at which wrapping is to occur; '2 n - 1' is after the nth operand, '2 n' is after the nth operation.	()	()	('with_wrapping_at', 'with_wrap_before_operator', 'with_wrap_after_operator', 'without_wrapping', 'wrap_positions')
justification	if any wrap positions are set, justify to the 'left', 'center', or 'right'	center	center	('with_justification',)

# display the expression information
stored_expr.expr_info()

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