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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 1505 | . 2 ⊢ (Ⅎ𝑥𝜑 → (𝜑 → ∀𝑥𝜑)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝜑 → ∀𝑥𝜑) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∀wal 1340 Ⅎwnf 1447 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-4 1497 |
This theorem depends on definitions: df-bi 116 df-nf 1448 |
This theorem is referenced by: alimd 1508 alrimi 1509 nfd 1510 nfrimi 1512 nfbidf 1526 19.3 1541 nfan1 1551 nfim1 1558 nfor 1561 nfimd 1572 exlimi 1581 exlimd 1584 eximd 1599 albid 1602 exbid 1603 nfex 1624 19.9 1631 nf2 1655 nf3 1656 spim 1725 cbv2 1736 cbvexv1 1739 cbval 1741 cbvex 1743 nfald 1747 nfexd 1748 sbf 1764 nfs1f 1767 sbied 1775 sbie 1778 nfs1 1796 equs5or 1817 sb4or 1820 sbid2 1837 cbvexd 1914 hbsb 1936 sbco2yz 1950 sbco2 1952 sbco3v 1956 sbcomxyyz 1959 nfsbd 1964 hbeu 2034 mo23 2054 mor 2055 eu2 2057 eu3 2059 mo2r 2065 mo3 2067 mo2dc 2068 moexexdc 2097 nfsab 2156 nfcrii 2299 bj-sbime 13489 |
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