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Theorem moanimv 2155
Description: Introduction of a conjunct into at-most-one quantifier. (Contributed by NM, 23-Mar-1995.)
Assertion
Ref Expression
moanimv (∃*𝑥(𝜑𝜓) ↔ (𝜑 → ∃*𝑥𝜓))
Distinct variable group:   𝜑,𝑥
Allowed substitution hint:   𝜓(𝑥)

Proof of Theorem moanimv
StepHypRef Expression
1 nfv 1577 . 2 𝑥𝜑
21moanim 2154 1 (∃*𝑥(𝜑𝜓) ↔ (𝜑 → ∃*𝑥𝜓))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  wb 105  ∃*wmo 2080
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584
This theorem depends on definitions:  df-bi 117  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083
This theorem is referenced by:  mosubt  2984  2reuswapdc  3011  2rmorex  3013  mosubopt  4797  funmo  5348  funcnv  5398  fncnv  5403  isarep2  5424  fnres  5456  fnopabg  5463  fvopab3ig  5729  opabex  5888  fnoprabg  6132  ovidi  6150  ovig  6153  oprabexd  6298  oprabex  6299  th3qcor  6851  dvfgg  15479
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