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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 1576 | . 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 |
| This theorem is referenced by: mosubt 2983 2reuswapdc 3010 2rmorex 3012 mosubopt 4791 funmo 5341 funcnv 5391 fncnv 5396 isarep2 5417 fnres 5449 fnopabg 5456 fvopab3ig 5720 opabex 5878 fnoprabg 6122 ovidi 6140 ovig 6143 oprabexd 6289 oprabex 6290 th3qcor 6808 dvfgg 15418 |
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