logic vs sustainability

logic

noun
  • Any system of thought, whether rigorous and productive or not, especially one associated with a particular person. 

  • It's hard to work out his system of logic. 

  • The study of the principles and criteria of valid inference and demonstration. 

  • The mathematical study of relationships between rigorously defined concepts and of mathematical proof of statements. 

  • The part of a system (usually electronic) that performs the boolean logic operations, short for logic gates or logic circuit. 

  • A method of human thought that involves thinking in a linear, step-by-step manner about how a problem can be solved. Logic is the basis of many principles including the scientific method. 

  • A formal or informal language together with a deductive system or a model-theoretic semantics. 

verb
  • To engage in excessive or inappropriate application of logic. 

  • To apply logical reasoning to. 

  • To overcome by logical argument. 

adj
  • logical 

sustainability

noun
  • The ability to sustain a civic practice or process in the long term, such as democracy, entrepreneurialism, a war effort, or others. 

  • The ability to sustain a business in the long term, which is a state that is partly dependent on, but broader than, profitability today or in the short term; it involves aspects of a plausible path toward eventual profitability (as applies to a startup) and ecologic sustainability (for example, the long-term dependence of the timber/lumber industry on forest preservation and renewal, or of fisheries on viable fish stocks). 

  • A means of configuring civilization and human activity so that society, its members and its economies are able to meet their needs and express their greatest potential in the present, while preserving biodiversity and natural ecosystems, planning and acting for the ability to maintain these necessary resources for future generations. 

How often have the words logic and sustainability occurred in a corpus of books? (source: Google Ngram Viewer )