Theorem gboodd 47744

Description: An odd Goldbach number is odd. (Contributed by AV, 26-Jul-2020.)

Assertion

Ref	Expression
gboodd	⊢ (𝑍 ∈ GoldbachOdd → 𝑍 ∈ Odd )

Proof of Theorem gboodd

Step	Hyp	Ref	Expression
1		gbogbow 47743	. 2 ⊢ (𝑍 ∈ GoldbachOdd → 𝑍 ∈ GoldbachOddW )
2		gbowodd 47742	. 2 ⊢ (𝑍 ∈ GoldbachOddW → 𝑍 ∈ Odd )
3	1, 2	syl 17	1 ⊢ (𝑍 ∈ GoldbachOdd → 𝑍 ∈ Odd )

Syntax hints:   → wi 4   ∈ wcel 2108   Odd codd 47612   GoldbachOddW cgbow 47733   GoldbachOdd cgbo 47734

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-ext 2708

This theorem depends on definitions:  df-bi 207  df-an 396  df-tru 1543  df-ex 1780  df-sb 2065  df-clab 2715  df-cleq 2729  df-clel 2816  df-rex 3071  df-rab 3437  df-v 3482  df-gbow 47736  df-gbo 47737

This theorem is referenced by: (None)