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| Mirrors > Home > ILE Home > Th. List > moanimv | GIF version | ||
| Description: Introduction of a conjunct into at-most-one quantifier. (Contributed by NM, 23-Mar-1995.) |
| Ref | Expression |
|---|---|
| moanimv | ⊢ (∃*𝑥(𝜑 ∧ 𝜓) ↔ (𝜑 → ∃*𝑥𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfv 1577 | . 2 ⊢ Ⅎ𝑥𝜑 | |
| 2 | 1 | moanim 2154 | 1 ⊢ (∃*𝑥(𝜑 ∧ 𝜓) ↔ (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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