We call them terminals.

Multiple terminals in one window

These are always going to be terminals.

I've abbreviated the non terminals a bit.

Terminals are the same thing as tokens.

And then by following the rules we keep replacing non terminals with their replacements until we're left with only terminals.

In order for the grammar to make a string, we have to be able to replace all of the non terminals with terminals.

The computer terminals were lined up in one long row.

It can be a sequence of non terminals like here.

I'm not pinning these down to be either terminals or nonterminals.

The words that I've written in blue are called non terminals.

I've just used blue to distinguish the non terminals like this.

We can pick any of the non terminals we have left.

All the words written in blue in the grammar are non terminals.

They mesh enabled 300 buses and they speak to these smart terminals.

Or they could be terminals. Or they could be nonterminals. Could be anything.

It can also be a terminal, and the terminals I've written in black.

A power loss at one of the terminals... will allow the ship to leave.

Expression can also go to expression minus expression or expression in parentheses, or just number, and here I'm writing all of my terminals and non terminals as strings just to make equality checking easier.

If you have any issues through the terminals, raise your hand, and I'll come to you.

What's special about the terminals is they never appear on the left side of a rule.

Note to win the game all terminals and all cables need to be connected to the server!

We're done when we have only terminals left and we can derive a sentence in the grammar.

All of the leaves right at the end represent terminals or tokens in the final sentence or utterance.

A derivation just means starting from some non terminal, follow the rules to derive a sequence of terminals.

And I've drawn (a) and (b) and (c) and (d) in purple because we're not sure if they're terminals or nonterminals.

And if the recursion returns a not null value, it returns a string of terminals, we're going to return the string back.

The object of the game is to start the LAN, connecting all the terminals to the server, in as few turns as possible.

Normally for grammars I always draw nonterminals in blue and terminals in black, but I'm going to leave this a, b, c, and d.

Then I'm going to check for each of those non terminals if it's possible to form something in the manner of this rewrite rule.

When playing the Very hard difficulty level a good place to start looking is near empty squares, if present, and near regions containing many terminals grouped together.

There are really four parts of our parsing state the left hand side nonterminal, some list of terminals and nonterminals before the dot, some list after, and j.

And your typical context free grammar is just a set of rewrite rules with a nonterminal symbol on the left, an arrow, and then some terminals and nonterminals on the right.

We'd end up with this and the shrinking input, as I replace these terminals or tokens with nonterminals, sort of corresponds to how my tree edges in here same sort of pattern.

Here is our tree, and at various places although it's starting with the trunk or the root it branches out, and all of these intermediate parts in the tree represent none terminals in the grammar.

Now, you'll notice that I've made more expressions in many of these cases, so I could go from here and start and expand it again and get a few more strings until eventually I'm full entirely of terminals.

The North American Network Operators Group, a group of people who, on a beautiful day outside, enter into a windowless room, at their terminals reading email and messages in fixed proportion font, like this, and they talk about networks.

In this case, you can only replace S with itself and another terminal, but you're never going to get to the point where the string that you're building up, the substitutions you make, results in a string that's only terminals.

Also, every time you buy gasoline in the United States, half of it is actually being refined along the coast, because the Gulf actually has about 50 percent of our refining capacity and a lot of our marine terminals as well.

Remember that all parse trees always grow upside down, and we have our actual tokens at the leaves at the bottom because this is a web page that just says, Hello friends, with no tags, and it has a large number of intermittent nodes corresponding to non terminals or rewrite rules in our grammar.

The player is presented with a rectangular grid containing a server, several terminals, and pieces of wire. The object of the game is to rotate these elements until every client is connected to the server, and no wires are left unconnected. Optionally, you can try to get a high score by minimizing the number of rotations needed.