books formal logic and dialectical logic
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# Intuitive and formal logic
# Aristotle and formal logic
# Formal fallacies in formal logic
# formal semantics
# formal clouds
# formal criterion
# Advantages of the formal criterion
# Disadvantages of formal criterion
# formal definition
# Formal modification
# formal definition of hair
# formal smoothing
# Enhanced Formal Smoothing
# formal method
# Formal preparation of the graduation thesis
# Modernity and Formal Preference
# formal method theory
# formal criticism
# Formal or esoteric criticism
# The stage of preparing the formal perception
