1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
[
[ BeginEnv "axiom"
, Label "cons"
, BeginEnv "math"
, Variable "x"
, Command "in"
, Command "cons"
, InvisibleBraceL
, Variable "y"
, InvisibleBraceR
, InvisibleBraceL
, Variable "X"
, InvisibleBraceR
, EndEnv "math"
, Word "iff"
, BeginEnv "math"
, Variable "x"
, Symbol "="
, Variable "y"
, EndEnv "math"
, Word "or"
, BeginEnv "math"
, Variable "x"
, Command "in"
, Variable "X"
, EndEnv "math"
, Symbol "."
, EndEnv "axiom"
]
,
[ BeginEnv "definition"
, Label "unit"
, BeginEnv "math"
, Command "unit"
, Symbol "="
, VisibleBraceL
, Command "emptyset"
, VisibleBraceR
, EndEnv "math"
, Symbol "."
, EndEnv "definition"
]
,
[ BeginEnv "proposition"
, Label "emptyset_in_unit"
, BeginEnv "math"
, Command "emptyset"
, Command "in"
, Command "unit"
, EndEnv "math"
, Symbol "."
, EndEnv "proposition"
]
]
|
