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Definition
ChurchNum_3ary_proj_p
:=
λ x0 :
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
.
∀ x1 :
(
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
)
→ ο
.
x1
(
λ x2 x3 x4 :
(
ι → ι
)
→
ι → ι
.
x2
)
⟶
x1
(
λ x2 x3 x4 :
(
ι → ι
)
→
ι → ι
.
x3
)
⟶
x1
(
λ x2 x3 x4 :
(
ι → ι
)
→
ι → ι
.
x4
)
⟶
x1
x0
Definition
ChurchNum_8ary_proj_p
:=
λ x0 :
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
.
∀ x1 :
(
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
)
→ ο
.
x1
(
λ x2 x3 x4 x5 x6 x7 x8 x9 :
(
ι → ι
)
→
ι → ι
.
x2
)
⟶
x1
(
λ x2 x3 x4 x5 x6 x7 x8 x9 :
(
ι → ι
)
→
ι → ι
.
x3
)
⟶
x1
(
λ x2 x3 x4 x5 x6 x7 x8 x9 :
(
ι → ι
)
→
ι → ι
.
x4
)
⟶
x1
(
λ x2 x3 x4 x5 x6 x7 x8 x9 :
(
ι → ι
)
→
ι → ι
.
x5
)
⟶
x1
(
λ x2 x3 x4 x5 x6 x7 x8 x9 :
(
ι → ι
)
→
ι → ι
.
x6
)
⟶
x1
(
λ x2 x3 x4 x5 x6 x7 x8 x9 :
(
ι → ι
)
→
ι → ι
.
x7
)
⟶
x1
(
λ x2 x3 x4 x5 x6 x7 x8 x9 :
(
ι → ι
)
→
ι → ι
.
x8
)
⟶
x1
(
λ x2 x3 x4 x5 x6 x7 x8 x9 :
(
ι → ι
)
→
ι → ι
.
x9
)
⟶
x1
x0
Param
ordsucc
ordsucc
:
ι
→
ι
Definition
ChurchNums_3x8_to_u24
:=
λ x0 :
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
.
λ x1 :
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
.
x0
(
x1
(
λ x2 :
ι → ι
.
λ x3 .
x3
)
(
λ x2 :
ι → ι
.
x2
)
(
λ x2 :
ι → ι
.
λ x3 .
x2
(
x2
x3
)
)
(
λ x2 :
ι → ι
.
λ x3 .
x2
(
x2
(
x2
x3
)
)
)
(
λ x2 :
ι → ι
.
λ x3 .
x2
(
x2
(
x2
(
x2
x3
)
)
)
)
(
λ x2 :
ι → ι
.
λ x3 .
x2
(
x2
(
x2
(
x2
(
x2
x3
)
)
)
)
)
(
λ x2 :
ι → ι
.
λ x3 .
x2
(
x2
(
x2
(
x2
(
x2
(
x2
x3
)
)
)
)
)
)
(
λ x2 :
ι → ι
.
λ x3 .
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
x3
)
)
)
)
)
)
)
)
(
λ x2 :
ι → ι
.
λ x3 .
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x1
(
λ x4 :
ι → ι
.
λ x5 .
x5
)
(
λ x4 :
ι → ι
.
x4
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
x5
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
x5
)
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
(
x4
x5
)
)
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
(
x4
(
x4
x5
)
)
)
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
(
x4
(
x4
(
x4
x5
)
)
)
)
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
(
x4
(
x4
(
x4
(
x4
x5
)
)
)
)
)
)
)
x2
x3
)
)
)
)
)
)
)
)
)
(
λ x2 :
ι → ι
.
λ x3 .
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x2
(
x1
(
λ x4 :
ι → ι
.
λ x5 .
x5
)
(
λ x4 :
ι → ι
.
x4
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
x5
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
x5
)
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
(
x4
x5
)
)
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
(
x4
(
x4
x5
)
)
)
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
(
x4
(
x4
(
x4
x5
)
)
)
)
)
)
(
λ x4 :
ι → ι
.
λ x5 .
x4
(
x4
(
x4
(
x4
(
x4
(
x4
(
x4
x5
)
)
)
)
)
)
)
x2
x3
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
ordsucc
0
Definition
ChurchNums_8x3_to_3_lt4_id_ge4_rot2
:=
λ x0 :
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
.
λ x1 :
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
.
λ x2 x3 x4 :
(
ι → ι
)
→
ι → ι
.
x0
(
x1
x2
x3
x4
)
(
x1
x2
x3
x4
)
(
x1
x2
x3
x4
)
(
x1
x2
x3
x4
)
(
x1
x3
x4
x2
)
(
x1
x3
x4
x2
)
(
x1
x3
x4
x2
)
(
x1
x3
x4
x2
)
Definition
ChurchNums_8_perm_4_5_6_7_0_1_2_3
:=
λ x0 :
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
.
λ x1 x2 x3 x4 x5 x6 x7 x8 :
(
ι → ι
)
→
ι → ι
.
x0
x5
x6
x7
x8
x1
x2
x3
x4
Definition
False
False
:=
∀ x0 : ο .
x0
Known
FalseE
FalseE
:
False
⟶
∀ x0 : ο .
x0
Known
neq_0_1
neq_0_1
:
0
=
1
⟶
∀ x0 : ο .
x0
Definition
u1
:=
1
Definition
u2
:=
ordsucc
u1
Definition
u3
:=
ordsucc
u2
Definition
u4
:=
ordsucc
u3
Definition
u5
:=
ordsucc
u4
Definition
u6
:=
ordsucc
u5
Definition
u7
:=
ordsucc
u6
Definition
u8
:=
ordsucc
u7
Definition
u9
:=
ordsucc
u8
Definition
u10
:=
ordsucc
u9
Definition
u11
:=
ordsucc
u10
Definition
u12
:=
ordsucc
u11
Definition
u13
:=
ordsucc
u12
Definition
u14
:=
ordsucc
u13
Definition
u15
:=
ordsucc
u14
Definition
u16
:=
ordsucc
u15
Known
7b2eb..
:
u16
=
u4
⟶
∀ x0 : ο .
x0
Definition
u17
:=
ordsucc
u16
Known
506a9..
:
u17
=
u4
⟶
∀ x0 : ο .
x0
Definition
u18
:=
ordsucc
u17
Known
60e5c..
:
u18
=
u4
⟶
∀ x0 : ο .
x0
Definition
u19
:=
ordsucc
u18
Known
26e28..
:
u19
=
u4
⟶
∀ x0 : ο .
x0
Definition
u20
:=
ordsucc
u19
Known
f2a22..
:
u20
=
u4
⟶
∀ x0 : ο .
x0
Definition
u21
:=
ordsucc
u20
Known
ac7ac..
:
u21
=
u4
⟶
∀ x0 : ο .
x0
Definition
u22
:=
ordsucc
u21
Known
7f2f2..
:
u22
=
u4
⟶
∀ x0 : ο .
x0
Definition
u23
:=
ordsucc
u22
Known
7d70a..
:
u23
=
u4
⟶
∀ x0 : ο .
x0
Known
35bff..
:
u16
=
u5
⟶
∀ x0 : ο .
x0
Known
4ab36..
:
u17
=
u5
⟶
∀ x0 : ο .
x0
Known
ac512..
:
u18
=
u5
⟶
∀ x0 : ο .
x0
Known
dcd9d..
:
u19
=
u5
⟶
∀ x0 : ο .
x0
Known
98620..
:
u20
=
u5
⟶
∀ x0 : ο .
x0
Known
18fbb..
:
u21
=
u5
⟶
∀ x0 : ο .
x0
Known
9a712..
:
u22
=
u5
⟶
∀ x0 : ο .
x0
Known
b1d7f..
:
u23
=
u5
⟶
∀ x0 : ο .
x0
Known
3bd28..
:
u16
=
u6
⟶
∀ x0 : ο .
x0
Known
b74f3..
:
u17
=
u6
⟶
∀ x0 : ο .
x0
Known
8347f..
:
u18
=
u6
⟶
∀ x0 : ο .
x0
Known
b1809..
:
u19
=
u6
⟶
∀ x0 : ο .
x0
Known
fd91d..
:
u20
=
u6
⟶
∀ x0 : ο .
x0
Known
2ec13..
:
u21
=
u6
⟶
∀ x0 : ο .
x0
Known
f4b67..
:
u22
=
u6
⟶
∀ x0 : ο .
x0
Known
51d86..
:
u23
=
u6
⟶
∀ x0 : ο .
x0
Known
d3a2f..
:
u16
=
u7
⟶
∀ x0 : ο .
x0
Known
66c81..
:
u17
=
u7
⟶
∀ x0 : ο .
x0
Known
c9d3b..
:
u18
=
u7
⟶
∀ x0 : ο .
x0
Known
36989..
:
u19
=
u7
⟶
∀ x0 : ο .
x0
Known
ae219..
:
u20
=
u7
⟶
∀ x0 : ο .
x0
Known
471c9..
:
u21
=
u7
⟶
∀ x0 : ο .
x0
Known
362ec..
:
u22
=
u7
⟶
∀ x0 : ο .
x0
Known
49af3..
:
u23
=
u7
⟶
∀ x0 : ο .
x0
Known
6c306..
:
u16
=
u8
⟶
∀ x0 : ο .
x0
Known
dc9e6..
:
u17
=
u8
⟶
∀ x0 : ο .
x0
Known
d47e8..
:
u18
=
u8
⟶
∀ x0 : ο .
x0
Known
9b462..
:
u19
=
u8
⟶
∀ x0 : ο .
x0
Known
54bdc..
:
u20
=
u8
⟶
∀ x0 : ο .
x0
Known
ada11..
:
u21
=
u8
⟶
∀ x0 : ο .
x0
Known
9d557..
:
u22
=
u8
⟶
∀ x0 : ο .
x0
Known
b0bcb..
:
u23
=
u8
⟶
∀ x0 : ο .
x0
Known
78b49..
:
u16
=
u9
⟶
∀ x0 : ο .
x0
Known
66dfd..
:
u17
=
u9
⟶
∀ x0 : ο .
x0
Known
d3922..
:
u18
=
u9
⟶
∀ x0 : ο .
x0
Known
4545d..
:
u19
=
u9
⟶
∀ x0 : ο .
x0
Known
6bb84..
:
u20
=
u9
⟶
∀ x0 : ο .
x0
Known
f159f..
:
u21
=
u9
⟶
∀ x0 : ο .
x0
Known
ac02b..
:
u22
=
u9
⟶
∀ x0 : ο .
x0
Known
b0849..
:
u23
=
u9
⟶
∀ x0 : ο .
x0
Known
6879f..
:
u16
=
u10
⟶
∀ x0 : ο .
x0
Known
2e5d5..
:
u17
=
u10
⟶
∀ x0 : ο .
x0
Known
a335e..
:
u18
=
u10
⟶
∀ x0 : ο .
x0
Known
7d160..
:
u19
=
u10
⟶
∀ x0 : ο .
x0
Known
8b01c..
:
u20
=
u10
⟶
∀ x0 : ο .
x0
Known
b1234..
:
u21
=
u10
⟶
∀ x0 : ο .
x0
Known
4d4dd..
:
u22
=
u10
⟶
∀ x0 : ο .
x0
Known
b7dd9..
:
u23
=
u10
⟶
∀ x0 : ο .
x0
Known
22184..
:
u16
=
u11
⟶
∀ x0 : ο .
x0
Known
454a8..
:
u17
=
u11
⟶
∀ x0 : ο .
x0
Known
8da43..
:
u18
=
u11
⟶
∀ x0 : ο .
x0
Known
8109a..
:
u19
=
u11
⟶
∀ x0 : ο .
x0
Known
66622..
:
u20
=
u11
⟶
∀ x0 : ο .
x0
Known
4c4e0..
:
u21
=
u11
⟶
∀ x0 : ο .
x0
Known
2051a..
:
u22
=
u11
⟶
∀ x0 : ο .
x0
Known
258a9..
:
u23
=
u11
⟶
∀ x0 : ο .
x0
Known
efdfc..
:
u12
=
0
⟶
∀ x0 : ο .
x0
Known
ce0cd..
:
u12
=
u1
⟶
∀ x0 : ο .
x0
Known
8158b..
:
u12
=
u2
⟶
∀ x0 : ο .
x0
Known
e015c..
:
u12
=
u3
⟶
∀ x0 : ο .
x0
Known
7aa79..
:
u12
=
u4
⟶
∀ x0 : ο .
x0
Known
07eba..
:
u12
=
u5
⟶
∀ x0 : ο .
x0
Known
0bd83..
:
u12
=
u6
⟶
∀ x0 : ο .
x0
Known
6a15f..
:
u12
=
u7
⟶
∀ x0 : ο .
x0
Known
733b2..
:
u13
=
0
⟶
∀ x0 : ο .
x0
Known
16246..
:
u13
=
u1
⟶
∀ x0 : ο .
x0
Known
40d25..
:
u13
=
u2
⟶
∀ x0 : ο .
x0
Known
19222..
:
u13
=
u3
⟶
∀ x0 : ο .
x0
Known
4d850..
:
u13
=
u4
⟶
∀ x0 : ο .
x0
Known
29333..
:
u13
=
u5
⟶
∀ x0 : ο .
x0
Known
02f5c..
:
u13
=
u6
⟶
∀ x0 : ο .
x0
Known
d9b35..
:
u13
=
u7
⟶
∀ x0 : ο .
x0
Known
fc551..
:
u14
=
0
⟶
∀ x0 : ο .
x0
Known
ac679..
:
u14
=
u1
⟶
∀ x0 : ο .
x0
Known
0bb18..
:
u14
=
u2
⟶
∀ x0 : ο .
x0
Known
d0fe4..
:
u14
=
u3
⟶
∀ x0 : ο .
x0
Known
ffd62..
:
u14
=
u4
⟶
∀ x0 : ο .
x0
Known
d6c57..
:
u14
=
u5
⟶
∀ x0 : ο .
x0
Known
62d80..
:
u14
=
u6
⟶
∀ x0 : ο .
x0
Known
01bf6..
:
u14
=
u7
⟶
∀ x0 : ο .
x0
Known
160ad..
:
u15
=
0
⟶
∀ x0 : ο .
x0
Known
174d1..
:
u15
=
u1
⟶
∀ x0 : ο .
x0
Known
4d715..
:
u15
=
u2
⟶
∀ x0 : ο .
x0
Known
70124..
:
u15
=
u3
⟶
∀ x0 : ο .
x0
Known
4b742..
:
u15
=
u4
⟶
∀ x0 : ο .
x0
Known
24fad..
:
u15
=
u5
⟶
∀ x0 : ο .
x0
Known
f5ac7..
:
u15
=
u6
⟶
∀ x0 : ο .
x0
Known
008b1..
:
u15
=
u7
⟶
∀ x0 : ο .
x0
Known
86ae3..
:
u16
=
0
⟶
∀ x0 : ο .
x0
Known
ab690..
:
u16
=
u1
⟶
∀ x0 : ο .
x0
Known
296ac..
:
u16
=
u2
⟶
∀ x0 : ο .
x0
Known
ca5c3..
:
u16
=
u3
⟶
∀ x0 : ο .
x0
Known
fcaf7..
:
u17
=
0
⟶
∀ x0 : ο .
x0
Known
d4359..
:
u17
=
u1
⟶
∀ x0 : ο .
x0
Known
2c536..
:
u17
=
u2
⟶
∀ x0 : ο .
x0
Known
6c299..
:
u17
=
u3
⟶
∀ x0 : ο .
x0
Known
99743..
:
u18
=
0
⟶
∀ x0 : ο .
x0
Known
9ccac..
:
u18
=
u1
⟶
∀ x0 : ο .
x0
Known
ad866..
:
u18
=
u2
⟶
∀ x0 : ο .
x0
Known
1f012..
:
u18
=
u3
⟶
∀ x0 : ο .
x0
Known
fd18a..
:
u19
=
0
⟶
∀ x0 : ο .
x0
Known
70279..
:
u19
=
u1
⟶
∀ x0 : ο .
x0
Known
81672..
:
u19
=
u2
⟶
∀ x0 : ο .
x0
Known
2e7b7..
:
u19
=
u3
⟶
∀ x0 : ο .
x0
Known
01bb6..
:
u20
=
u12
⟶
∀ x0 : ο .
x0
Known
551bd..
:
u20
=
u13
⟶
∀ x0 : ο .
x0
Known
28d21..
:
u20
=
u14
⟶
∀ x0 : ο .
x0
Known
bf7ce..
:
u20
=
u15
⟶
∀ x0 : ο .
x0
Known
6371d..
:
u21
=
u12
⟶
∀ x0 : ο .
x0
Known
87a9a..
:
u21
=
u13
⟶
∀ x0 : ο .
x0
Known
25d09..
:
u21
=
u14
⟶
∀ x0 : ο .
x0
Known
17bc6..
:
u21
=
u15
⟶
∀ x0 : ο .
x0
Known
db21d..
:
u22
=
u12
⟶
∀ x0 : ο .
x0
Known
6a662..
:
u22
=
u13
⟶
∀ x0 : ο .
x0
Known
bd746..
:
u22
=
u14
⟶
∀ x0 : ο .
x0
Known
ac3f7..
:
u22
=
u15
⟶
∀ x0 : ο .
x0
Known
3982c..
:
u23
=
u12
⟶
∀ x0 : ο .
x0
Known
4e72c..
:
u23
=
u13
⟶
∀ x0 : ο .
x0
Known
ef472..
:
u23
=
u14
⟶
∀ x0 : ο .
x0
Known
eff68..
:
u23
=
u15
⟶
∀ x0 : ο .
x0
Known
neq_8_0
neq_8_0
:
u8
=
0
⟶
∀ x0 : ο .
x0
Known
neq_9_0
neq_9_0
:
u9
=
0
⟶
∀ x0 : ο .
x0
Known
0e10e..
:
u10
=
0
⟶
∀ x0 : ο .
x0
Known
19f75..
:
u11
=
0
⟶
∀ x0 : ο .
x0
Known
neq_8_1
neq_8_1
:
u8
=
u1
⟶
∀ x0 : ο .
x0
Known
neq_9_1
neq_9_1
:
u9
=
u1
⟶
∀ x0 : ο .
x0
Known
d183f..
:
u10
=
u1
⟶
∀ x0 : ο .
x0
Known
618f7..
:
u11
=
u1
⟶
∀ x0 : ο .
x0
Known
neq_8_2
neq_8_2
:
u8
=
u2
⟶
∀ x0 : ο .
x0
Known
neq_9_2
neq_9_2
:
u9
=
u2
⟶
∀ x0 : ο .
x0
Known
e02d9..
:
u10
=
u2
⟶
∀ x0 : ο .
x0
Known
2c42c..
:
u11
=
u2
⟶
∀ x0 : ο .
x0
Known
neq_8_3
neq_8_3
:
u8
=
u3
⟶
∀ x0 : ο .
x0
Known
neq_9_3
neq_9_3
:
u9
=
u3
⟶
∀ x0 : ο .
x0
Known
68152..
:
u10
=
u3
⟶
∀ x0 : ο .
x0
Known
b06e1..
:
u11
=
u3
⟶
∀ x0 : ο .
x0
Theorem
a2126..
:
∀ x0 x1 :
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
.
∀ x2 x3 :
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
(
ι → ι
)
→
ι → ι
)
→
(
ι → ι
)
→
ι → ι
.
ChurchNum_3ary_proj_p
x0
⟶
ChurchNum_8ary_proj_p
x2
⟶
ChurchNum_3ary_proj_p
x1
⟶
ChurchNum_8ary_proj_p
x3
⟶
(
x0
=
λ x5 x6 x7 :
(
ι → ι
)
→
ι → ι
.
x1
x6
x7
x5
)
⟶
ChurchNums_3x8_to_u24
(
ChurchNums_8x3_to_3_lt4_id_ge4_rot2
x2
x0
)
(
ChurchNums_8_perm_4_5_6_7_0_1_2_3
x2
)
=
ChurchNums_3x8_to_u24
x1
x3
⟶
∀ x4 : ο .
x4
(proof)