Step * 1 of Lemma rv-add-cancel-left


1. rv RealVectorSpace
2. Point
3. Point
4. Point
5. y ≡ z
⊢ y ≡ z
BY
(InstLemma `rv-add_functionality` [⌜rv⌝;⌜-x⌝;⌜y⌝;⌜-x⌝;⌜z⌝]⋅ THENA Auto) }

1
1. rv RealVectorSpace
2. Point
3. Point
4. Point
5. y ≡ z
6. -x y ≡ -x z
⊢ y ≡ z


Latex:


Latex:

1.  rv  :  RealVectorSpace
2.  x  :  Point
3.  y  :  Point
4.  z  :  Point
5.  x  +  y  \mequiv{}  x  +  z
\mvdash{}  y  \mequiv{}  z


By


Latex:
(InstLemma  `rv-add\_functionality`  [\mkleeneopen{}rv\mkleeneclose{};\mkleeneopen{}-x\mkleeneclose{};\mkleeneopen{}x  +  y\mkleeneclose{};\mkleeneopen{}-x\mkleeneclose{};\mkleeneopen{}x  +  z\mkleeneclose{}]\mcdot{}  THENA  Auto)




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