Expression of type Forall

from the theory of proveit.linear_algebra.tensors

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 K
from proveit.core_expr_types import A_1_to_i, B_1_to_j, C_1_to_k
from proveit.linear_algebra import TensorProd, VecSpaces
from proveit.logic import Equals, Forall

# build up the expression from sub-expressions
expr = Forall(instance_param_or_params = [A_1_to_i, B_1_to_j, C_1_to_k], instance_expr = Equals(TensorProd(A_1_to_i, TensorProd(B_1_to_j), C_1_to_k), TensorProd(A_1_to_i, B_1_to_j, C_1_to_k)).with_wrapping_at(1), domain = VecSpaces(K)).with_wrapping()

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())

\begin{array}{l}\forall_{A_{1}, A_{2}, \ldots, A_{i}, B_{1}, B_{2}, \ldots, B_{j}, C_{1}, C_{2}, \ldots, C_{k} \underset{{\scriptscriptstyle c}}{\in} \textrm{VecSpaces}\left(K\right)}~\\
\left(\begin{array}{c} \begin{array}{l} \left(A_{1} {\otimes}  A_{2} {\otimes}  \ldots {\otimes}  A_{i} {\otimes} \left(B_{1} {\otimes}  B_{2} {\otimes}  \ldots {\otimes}  B_{j}\right){\otimes} C_{1} {\otimes}  C_{2} {\otimes}  \ldots {\otimes}  C_{k}\right) \\  = \left(A_{1} {\otimes}  A_{2} {\otimes}  \ldots {\otimes}  A_{i}{\otimes} B_{1} {\otimes}  B_{2} {\otimes}  \ldots {\otimes}  B_{j}{\otimes} C_{1} {\otimes}  C_{2} {\otimes}  \ldots {\otimes}  C_{k}\right) \end{array} \end{array}\right)\end{array}

stored_expr.style_options()

name	description	default	current value	related methods
with_wrapping	If 'True', wrap the Expression after the parameters	None	True	('with_wrapping',)
condition_wrapping	Wrap 'before' or 'after' the condition (or None).	None	None/False	('with_wrap_after_condition', 'with_wrap_before_condition')
wrap_params	If 'True', wraps every two parameters AND wraps the Expression after the parameters	None	None/False	('with_params',)
justification	justify to the 'left', 'center', or 'right' in the array cells	center	center	('with_justification',)

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	Operation	operator: 1 operand: 3
1	Literal
2	ExprTuple	3
3	Lambda	parameters: 17 body: 4
4	Conditional	value: 5 condition: 6
5	Operation	operator: 7 operands: 8
6	Operation	operator: 9 operands: 10
7	Literal
8	ExprTuple	11, 12
9	Literal
10	ExprTuple	13, 14, 15
11	Operation	operator: 27 operands: 16
12	Operation	operator: 27 operands: 17
13	ExprRange	lambda_map: 18 start_index: 42 end_index: 30
14	ExprRange	lambda_map: 19 start_index: 42 end_index: 43
15	ExprRange	lambda_map: 20 start_index: 42 end_index: 32
16	ExprTuple	22, 21, 23
17	ExprTuple	22, 37, 23
18	Lambda	parameter: 52 body: 24
19	Lambda	parameter: 52 body: 25
20	Lambda	parameter: 52 body: 26
21	Operation	operator: 27 operands: 28
22	ExprRange	lambda_map: 29 start_index: 42 end_index: 30
23	ExprRange	lambda_map: 31 start_index: 42 end_index: 32
24	Operation	operator: 35 operands: 33
25	Operation	operator: 35 operands: 34
26	Operation	operator: 35 operands: 36
27	Literal
28	ExprTuple	37
29	Lambda	parameter: 52 body: 38
30	Variable
31	Lambda	parameter: 52 body: 39
32	Variable
33	ExprTuple	38, 40
34	ExprTuple	48, 40
35	Literal
36	ExprTuple	39, 40
37	ExprRange	lambda_map: 41 start_index: 42 end_index: 43
38	IndexedVar	variable: 44 index: 52
39	IndexedVar	variable: 45 index: 52
40	Operation	operator: 46 operand: 49
41	Lambda	parameter: 52 body: 48
42	Literal
43	Variable
44	Variable
45	Variable
46	Literal
47	ExprTuple	49
48	IndexedVar	variable: 50 index: 52
49	Variable
50	Variable
51	ExprTuple	52
52	Variable