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Mirrors > Home > ILE Home > Th. List > nfri | GIF version |
Description: Consequence of the definition of not-free. (Contributed by Mario Carneiro, 11-Aug-2016.) |
Ref | Expression |
---|---|
nfri.1 | ⊢ Ⅎ𝑥𝜑 |
Ref | Expression |
---|---|
nfri | ⊢ (𝜑 → ∀𝑥𝜑) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfri.1 | . 2 ⊢ Ⅎ𝑥𝜑 | |
2 | nfr 1498 | . 2 ⊢ (Ⅎ𝑥𝜑 → (𝜑 → ∀𝑥𝜑)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝜑 → ∀𝑥𝜑) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∀wal 1329 Ⅎwnf 1436 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-4 1487 |
This theorem depends on definitions: df-bi 116 df-nf 1437 |
This theorem is referenced by: alimd 1501 alrimi 1502 nfd 1503 nfrimi 1505 nfbidf 1519 19.3 1533 nfan1 1543 nfim1 1550 nfor 1553 nfal 1555 nfimd 1564 exlimi 1573 exlimd 1576 eximd 1591 albid 1594 exbid 1595 nfex 1616 19.9 1623 nf2 1646 nf3 1647 spim 1716 cbv2 1725 cbval 1727 cbvex 1729 nfald 1733 nfexd 1734 sbf 1750 nfs1f 1753 sbied 1761 sbie 1764 nfs1 1781 equs5or 1802 sb4or 1805 sbid2 1822 cbvexd 1899 hbsb 1922 sbco2yz 1936 sbco2 1938 sbco3v 1942 sbcomxyyz 1945 nfsbd 1950 hbeu 2020 mo23 2040 mor 2041 eu2 2043 eu3 2045 mo2r 2051 mo3 2053 mo2dc 2054 moexexdc 2083 nfsab 2131 nfcrii 2274 bj-sbime 12980 |
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