Yes. It is a false sentence but a sentence all the same.
You are all I need...all.
All that is perfectly managed ends up well.
All people deserve equal rights.
for
"All animals are equal, but some animals are more equal than others"
i can see matted in a sentence it is have to be all capital latter and ends with a periodMatted is used as an adjective : The cat's fur was matted with mud .
All multiples of even numbers will equal an even number.
The six wives of Henry VIII all met unfortunate ends.
I am the caitiff that do hold him to't;" Shakespeare. All's well that ends well.
If all the names are equal e.g. 7, then the lowest number = the highest number = the mean etc. = 7.
A dodecagon can be drawn by drawing a polygon with 12 sides and 12 angles. All sides and angles have to be equal. * * * * * The first sentence is correct, the second is utter nonsense. There is no reason for a dodecagon - or a polygon with any number of sides - to have equal sides or equal angles.