Logiweb aspects of axiom a4 in pyk

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The predefined "pyk" aspect

define pyk of axiom a4 as text unicode start of text unicode small a unicode small x unicode small i unicode small o unicode small m unicode space unicode small a unicode four unicode end of text end unicode text end text end define

The predefined "tex" aspect

define tex of axiom a4 as text unicode start of text unicode capital a unicode four unicode left parenthesis unicode capital a unicode small x unicode small i unicode small o unicode small m unicode right parenthesis unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of axiom a4 as system Q infer all metavar var x end metavar indeed all metavar var v1 end metavar indeed all metavar var a end metavar indeed all metavar var b end metavar indeed meta-sub metavar var a end metavar is metavar var b end metavar where metavar var v1 end metavar is metavar var x end metavar end sub endorse for all objects metavar var v1 end metavar indeed metavar var b end metavar imply metavar var a end metavar end define

The user defined "the proof aspect" aspect

define proof of axiom a4 as rule tactic end define