Nuprl Lemma : add_mono_wrt_eq_rw

∀[a,b,n:ℤ].  {uiff(a = b ∈ ℤ;(a + n) = (b + n) ∈ ℤ)}


Proof




Definitions occuring in Statement :  uiff: uiff(P;Q),  uall: ∀[x:A]. B[x],  guard: {T},  add: n + m,  int: ℤ,  equal: s = t ∈ T
Definitions unfolded in proof :  guard: {T}
Lemmas referenced :  add_mono_wrt_eq
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  lemma_by_obid

Latex:
\mforall{}[a,b,n:\mBbbZ{}].    \{uiff(a  =  b;(a  +  n)  =  (b  +  n))\}



Date html generated: 2016_05_13-PM-03_39_54
Last ObjectModification: 2015_12_26-AM-09_40_40

Theory : arithmetic


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