Add negative property assertion support

[aadorian]

Description

OWL 2 supports negative property assertions (stating that an individual does NOT have a certain property value).

What to implement

Add ability to create negative assertions:

• NegativeObjectPropertyAssertion
• NegativeDataPropertyAssertion
• Display with visual distinction (e.g., strikethrough or red)

Difficulty: Medium

Skills: React, OWL 2

Tasks

• Add 'Negative Assertions' section to individual details
• Create UI for adding negative assertions
• Visual distinction from positive assertions
• Implement axiom creation/removal

Acceptance Criteria

• Can create negative object property assertions
• Can create negative data property assertions
• Visually distinct from positive assertions

[Ronitreddy10]

will do this too

[aadorian]

Excellent !! Welcome to the team @Ronitreddy10 !!

Best, Ale