Correct syntax to create partial index on a boolean column

For the boolean column Foo in Table1, if I want to index all values of
TRUE, is this syntax correct?

CREATE INDEX IDX_MyIndex ON Table1(Foo) WHERE Foo;

The query:

SELECT * FROM Table1 WHERE Foo;

should use the index, and:

SELECT * FROM Table1 WHERE NOT Foo;

should not, correct?

I just want to make sure I don't need an operator on the WHERE clause. Thanks!

Mike