Step
*
1
of Lemma
rneq-zero-or_wf
1. x : ℝ
2. y : ℝ
3. x ≠ r0 ∨ y ≠ r0
⊢ rneq-zero-or(x;y) ∈ x ≠ r0 ∨ y ≠ r0
BY
{ (Assert TERMOF{sq_stable__rneq-or:o, \\v:l} x y ∈ SqStable(x ≠ r0 ∨ y ≠ r0) BY
Auto) }
1
1. x : ℝ
2. y : ℝ
3. x ≠ r0 ∨ y ≠ r0
4. TERMOF{sq_stable__rneq-or:o, \\v:l} x y ∈ SqStable(x ≠ r0 ∨ y ≠ r0)
⊢ rneq-zero-or(x;y) ∈ x ≠ r0 ∨ y ≠ r0
Latex:
Latex:
1. x : \mBbbR{}
2. y : \mBbbR{}
3. x \mneq{} r0 \mvee{} y \mneq{} r0
\mvdash{} rneq-zero-or(x;y) \mmember{} x \mneq{} r0 \mvee{} y \mneq{} r0
By
Latex:
(Assert TERMOF\{sq\_stable\_\_rneq-or:o, \mbackslash{}\mbackslash{}v:l\} x y \mmember{} SqStable(x \mneq{} r0 \mvee{} y \mneq{} r0) BY
Auto)
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