Finite State Machines, adding a lexer that follows them automatically,

The brain is recording all information and driving all change in temporal context.

It's got a nice kind of flowing, organic form, very consistent with the Brazilian culture

Units 3 and 4 were relatively abstract to some degree, intentionally so.

You might think, Boy, is there a context expensive grammar out there? What's the opposite of free?

But that's an example of an application that also uses this sort of linguistic analysis perhaps a little less related to context free grammars but still in the same vein.

These grammars that we've been introducing describe something new context free languages.

It depends on the context.

This branch of the family is all about representation.

It relates grammars to parsing, which is one of the concepts in this class.

Well, because, sentences are more interesting.

These days I think your time, the human's time, is more important than the computers.

Y has the value of 2.

Here I've written down four claims.

That line above it is the context.

The concept conjures of thoughts of our species, our planet and our civilization.

I am just gonna pause for a moment to let you think about that.

Another common story or storyline is the claim that we have to get tough .

So in lecture, we spent a lot of time learning about context free grammars and languages.

like HTML or SQL, the language of database queries.

We have a rich historical heritage.

That's a good point, Peter, and the answer is yes.

Because in most of the life of the brain this is under control of behavioral context.

The set of languages that can be described by re write rules or grammers like this are called context free languages.

They may get a little bit bigger, but it will totally work.

That's much more important than knowing the particular syntax for any language.

But if right above it I've written X 0, then we'd get a different answer.

Perhaps a stealth thing.

It handles LL. It handles LR. It handles LALR.

It can really be a contortion that distorts meaning to try to get C to fit into one of these other tools.

It turns out that interprocedural data flow analysis is the same problem as, in a theoretical sense, context free language reachability, which is the same problem as could I generate a string in a context free grammar.

He claims he's discovered a planet with large deposits of magnesite.

India has a cuisine rich in regional flavour.

Is it the case that no regular languages are context free languages and vice versa?

Here's a new quiz. The Great Grammar Fix Up.

In this way,

This is called being lazy, and it's a phenomenal virtue when you're writing programs.

This is always true because we have our Pac Man diagram here, and also because you can take any regular language and represent it with a context free grammar.

That's an excellent question.

Otherwise it would be chaos.

Build the system so that anybody can contribute at any amount.

By applying a strict process, we give them less control,

In most interpreters, this is a problem.

And understand its interactions with the entire Earth.

Just in case someone asks for their money immediately.