Nuprl Lemma : mk-msg-equal

[f:Name ─→ Type]. ∀[auth1,auth2:𝔹]. ∀[hdr1,hdr2:Name]. ∀[val1:f hdr1]. ∀[val2:f hdr2].
  (mk-msg(auth1;hdr1;val1) mk-msg(auth2;hdr2;val2) ∈ Message(f)
  ⇐⇒ {auth1 auth2 ∧ (hdr1 hdr2 ∈ Name) ∧ (val1 val2 ∈ (f hdr1))})


Proof




Definitions occuring in Statement :  mk-msg: mk-msg(auth;hdr;val) Message: Message(f) name: Name bool: 𝔹 uall: [x:A]. B[x] guard: {T} iff: ⇐⇒ Q and: P ∧ Q apply: a function: x:A ─→ B[x] universe: Type equal: t ∈ T
Lemmas :  iff_imp_equal_bool assert_elim subtype_base_sq bool_wf bool_subtype_base assert_wf and_wf equal_wf name_wf pi1_wf_top subtype_rel_product top_wf subtype_top Message_wf mk-msg_wf subtype_rel_self subtype_rel_wf list_subtype_base atom_subtype_base

Latex:
\mforall{}[f:Name  {}\mrightarrow{}  Type].  \mforall{}[auth1,auth2:\mBbbB{}].  \mforall{}[hdr1,hdr2:Name].  \mforall{}[val1:f  hdr1].  \mforall{}[val2:f  hdr2].
    (mk-msg(auth1;hdr1;val1)  =  mk-msg(auth2;hdr2;val2)
    \mLeftarrow{}{}\mRightarrow{}  \{auth1  =  auth2  \mwedge{}  (hdr1  =  hdr2)  \mwedge{}  (val1  =  val2)\})



Date html generated: 2015_07_21-PM-04_53_20
Last ObjectModification: 2015_01_28-AM-08_44_48

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