convulse

v 1: make someone convulse with laughter; "The comedian convulsed

the crowd"

2: be overcome with laughter

3: beat about [syn: {thresh}, {thresh about}, {thrash}, {thrash

about}, {slash}, {toss}]

4: cause to contract, as of muscles

5: of muscles

converse

The truth of a {proposition} of the form A ◦> B and its

converse B ◦> A are shown in the following truth table:

A B | A ◦> B B ◦> A

------:----------------

f f | t t

f t | t f

t f | f t

t t | t t