These are the most frequently used words in this book.
algebra
antecedent
arrow
axiom
between
case
category
chapter
class
closed
closure
complete
conditions
conjunction
connectives
consecution
consider
cut
deduction
define
defined
definition
desired
disjunction
does
element
example
fact
first
following
follows
form
formula
formulae
frame
function
fusion
given
gives
hence
holds
however
identity
ii
implication
language
lattice
left
lemma
let
logic
model
must
natural
need
negation
now
number
oa
objects
operation
operator
order
pair
point
premises
prime
proof
properties
propositional
propositions
provable
prove
relation
result
rules
satisfies
see
semantics
set
show
similarly
simple
since
space
string
structural
structure
substructural
suppose
system
term
theorem
theory
therefore
true
two
type
use
work