File "./output/names.v", line 5, characters 37-40:
The command has indeed failed with message:
In environment
y : nat
The term "a y" has type "{y0 : nat | y = y0}"
while it is expected to have type "{x : nat | x = y}".
1 focused goal (shelved: 1)
H : ?n <= 3 -> 3 <= ?n -> ?n = 3
============================
True
[ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet)
]
