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Theorem gboodd 48522
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
StepHypRef Expression
1 gbogbow 48521 . 2 (𝑍 ∈ GoldbachOdd → 𝑍 ∈ GoldbachOddW )
2 gbowodd 48520 . 2 (𝑍 ∈ GoldbachOddW → 𝑍 ∈ Odd )
31, 2syl 18 1 (𝑍 ∈ GoldbachOdd → 𝑍 ∈ Odd )
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2143   Odd codd 48390   GoldbachOddW cgbow 48511   GoldbachOdd cgbo 48512
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-ext 2735
This theorem depends on definitions:  df-bi 210  df-an 401  df-tru 1573  df-ex 1810  df-sb 2097  df-clab 2742  df-cleq 2755  df-clel 2838  df-rex 3090  df-rab 3417  df-v 3457  df-gbow 48514  df-gbo 48515
This theorem is referenced by: (None)
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