λδ digital library (LDDL)
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version 2
(
background
-
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-
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-
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)
version 2
helena
Open Symbolic Notation (OSN)
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version 1
(
background
-
core
)
(
static HELM directory
)
version 1
library
(
static LDDL directory
)
Constant
Declaration:
et
(
ld:
/
Environment
/
grundlagen_2
/
l
/
et.ld
)
Informal description: ""
{
∀[a:
Prop
]
.
∀[w:
(
a
)
.
wel
]
}
.
a
Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100