History of
      
        eg
        
      
    
    
      @master
    
    
        git clone https://git.catseye.tc/Eqthy/
    
    
  
  
  
  
  
  
    - 
      
        
          Don't assume permutation, prove it. Also rewrite some things.
        
        
          
            Chris Pressey
            
          
          
            8 months ago
          
        
        
      
    
 
  
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          Add Johnson's axiom system and proof of Rule of Constancy.
        
        
          
            Chris Pressey
            
          
          
            8 months ago
          
        
        
      
    
 
  
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          Raise error if naming theorem or axiom with already existing name.
        
        
          
            Chris Pressey
            
          
          
            8 months ago
          
        
        
      
    
 
  
    - 
      
        
          These are theorems in the Boolean algebra document.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
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          Factor Group Theory out into its own document.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Convert Algebra of Sets document to Absorption Laws proof.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Use Boolean algebra as basis for set difference, interior algebra.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Allow Eqthy documents in Markdown to include other Eqthy documents.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          A slightly less trivial result in the theory of interior algebras.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Add document with axioms for Interior Algebra.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Fix link
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Have all examples live in the same directory right now.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Show that context is accumulated from one document to the next.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Add 'Context' type, minor edits elsewhere as well.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Two proofs of properties of the set difference operator.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Add development of the algebra of sets.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Add proper "Group Element Commutes with Inverse" proof, and rename the other one.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Small formatting updates and fixes.
        
        
          
            Chris Pressey
            
          
          
            1 year, 7 months ago
          
        
        
      
    
 
  
    - 
      
        
          Arrange license info in repo to follow REUSE 3.0 convention.
        
        
          
            Chris Pressey
            
          
          
            1 year, 9 months ago
          
        
        
      
    
 
  
    - 
      
        
          add second De Morgan's law
        
        
          
            Proloy Mishra
            
          
          
            2 years ago
          
        
        
      
    
 
  
    - 
      
        
          Merge pull request #9 from pro465/de-morgans
        
        
          
            Chris Pressey
            
              (commit: GitHub)
            
          
          
            2 years ago
          
        
        
      
    
 
  
    - 
      
        
          minor fixes
        
        
          
            Proloy Mishra
            
              (commit: GitHub)
            
          
          
            2 years ago
          
        
        
      
    
 
  
    - 
      
        
          Place code under BSD license and examples in public domain. (#8)
        
        
          
            Chris Pressey
            
              (commit: GitHub)
            
          
          
            2 years ago
          
        
        
      
    
 
  
    - 
      
        
          prove de morgan's rule
        
        
          
            Proloy Mishra
            
          
          
            2 years ago
          
        
        
      
    
 
  
    - 
      
        
          A last few edits before we release 0.3.
        
        
          
            Chris Pressey
            
          
          
            2 years ago
          
        
        
      
    
 
  
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          remove extraneous theorems
        
        
          
            Proloy Mishra
            
          
          
            2 years ago
          
        
        
      
    
 
  
    - 
      
        
          Fix the translation of modus ponens and give resulting proof.
        
        
          
            Chris Pressey
            
          
          
            2 years ago
          
        
        
      
    
 
  
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          Improve "typesetting" of this document.
        
        
          
            Chris Pressey
            
          
          
            2 years ago
          
        
        
      
    
 
  
    - 
      
        
          fix incorrect theorem
        
        
          
            Proloy Mishra
            
          
          
            2 years ago
          
        
        
      
    
 
  
    - 
      
        
          add test for constant and function name uniqueness
        
        
          
            Proloy Mishra
            
          
          
            2 years ago