<s>
The	O
Mizar	B-Language
system	I-Language
consists	O
of	O
a	O
formal	O
language	O
for	O
writing	O
mathematical	O
definitions	O
and	O
proofs	O
,	O
a	O
proof	O
assistant	O
,	O
which	O
is	O
able	O
to	O
mechanically	O
check	O
proofs	O
written	O
in	O
this	O
language	O
,	O
and	O
a	O
library	O
of	O
formalized	O
mathematics	O
,	O
which	O
can	O
be	O
used	O
in	O
the	O
proof	O
of	O
new	O
theorems	O
.	O
</s>
<s>
Its	O
current	O
goal	O
,	O
apart	O
from	O
the	O
continual	O
development	O
of	O
the	O
Mizar	B-Language
System	I-Language
,	O
is	O
the	O
collaborative	O
creation	O
of	O
a	O
large	O
library	O
of	O
formally	O
verified	O
proofs	O
,	O
covering	O
most	O
of	O
the	O
core	O
of	O
modern	O
mathematics	O
.	O
</s>
<s>
Papers	O
related	O
to	O
the	O
Mizar	B-Language
system	I-Language
regularly	O
appear	O
in	O
the	O
peer-reviewed	O
journals	O
of	O
the	O
mathematic	O
formalization	O
academic	O
community	O
.	O
</s>
<s>
As	O
is	O
common	O
in	O
mathematical	O
text	O
,	O
it	O
relies	O
on	O
classical	O
logic	O
and	O
a	O
declarative	B-Language
style	I-Language
.	O
</s>
<s>
Mizar	O
articles	O
are	O
written	O
in	O
ordinary	O
ASCII	B-Protocol
,	O
but	O
the	O
language	O
was	O
designed	O
to	O
be	O
close	O
enough	O
to	O
the	O
mathematical	O
vernacular	O
that	O
most	O
mathematicians	O
could	O
read	O
and	O
understand	O
Mizar	O
articles	O
without	O
special	O
training	O
.	O
</s>
<s>
All	O
MML	O
articles	O
are	O
available	O
in	O
PDF	B-Application
form	O
as	O
the	O
papers	O
of	O
the	O
Journal	O
of	O
Formalized	O
Mathematics	O
.	O
</s>
<s>
In	O
an	O
ongoing	O
recent	O
project	O
the	O
library	O
was	O
also	O
made	O
available	O
in	O
an	O
experimental	O
wiki	B-Protocol
form	O
that	O
only	O
admits	O
edits	O
when	O
they	O
are	O
approved	O
by	O
the	O
Mizar	O
checker	O
.	O
</s>
<s>
It	O
is	O
written	O
in	O
Free	B-Operating_System
Pascal	I-Operating_System
and	O
the	O
source	O
code	O
is	O
available	O
to	O
all	O
members	O
of	O
the	O
Association	O
of	O
Mizar	O
Users	O
.	O
</s>
