The Logic Resource Center
Public Alpha
Systems
Open options
Systems
The Logic Resource Center
Public Alpha
Systems
Open options
Systems
The Constants
ALL
The constant "all" expresses
generality
.
Systems
LRC_F
Typed Forward Strict
∀E: Universal Elimination
∀I: Universal Introduction
Point And Click
∀E: Universal Elimination
∀I: Universal Introduction
OLI
Point And Click
∀I: Universal Introduction
∀E: Universal Elimination
The Logic Book
Point And Click
∀E: Universal Elimination
∀I: Universal Introduction
QN: Quantifier Negation
LRC
Typed Forward Strict
∀E: Universal Elimination
∀I: Universal Introduction
Point And Click
∀E: Universal Elimination
∀I: Universal Introduction
LRC_P
Typed Forward Strict
∀E: Universal Elimination
∀I: Universal Introduction
Point And Click
∀E: Universal Elimination
∀I: Universal Introduction
LRC_O
Typed Forward Strict
∀E: Universal Elimination
∀I: Universal Introduction
Point And Click
∀E: Universal Elimination
∀I: Universal Introduction
Start a Problem
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