| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > nfnae | Structured version Visualization version GIF version | ||
| Description: All variables are effectively bound in a distinct variable specifier. Usage of this theorem is discouraged because it depends on ax-13 2382. Use the weaker nfnaew 2162 when possible. (Contributed by Mario Carneiro, 11-Aug-2016.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| nfnae | ⊢ Ⅎ𝑧 ¬ ∀𝑥 𝑥 = 𝑦 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfae 2443 | . 2 ⊢ Ⅎ𝑧∀𝑥 𝑥 = 𝑦 | |
| 2 | 1 | nfn 1865 | 1 ⊢ Ⅎ𝑧 ¬ ∀𝑥 𝑥 = 𝑦 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 ∀wal 1546 Ⅎwnf 1791 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-10 2154 ax-11 2170 ax-12 2191 ax-13 2382 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-tru 1551 df-ex 1788 df-nf 1792 |
| This theorem is referenced by: nfald2 2455 dvelimf 2458 sbequ6 2476 2ax6elem 2480 nfsb4t 2509 sbco2 2521 sbco3 2523 sb9 2529 sbal1 2538 sbal2 2539 nfabd2 2926 ralcom2 3343 dfid3 5518 nfriotad 7327 axextnd 10510 axrepndlem1 10511 axrepndlem2 10512 axrepnd 10513 axunndlem1 10514 axunnd 10515 axpowndlem2 10517 axpowndlem3 10518 axpowndlem4 10519 axpownd 10520 axregndlem2 10522 axregnd 10523 axinfndlem1 10524 axinfnd 10525 axacndlem4 10529 axacndlem5 10530 axacnd 10531 axsepg2 35334 axsepg5 35338 axnulg 35339 axpowg2 35341 axpowg3 35342 axextdist 36038 axextbdist 36039 distel 36042 axtcond 36719 mh-setindnd 36778 wl-cbvalnaed 37916 wl-2sb6d 37942 wl-sbalnae 37946 wl-mo2df 37954 wl-mo2tf 37955 wl-eudf 37956 wl-eutf 37957 ax6e2ndeq 45016 ax6e2ndeqVD 45365 |
| Copyright terms: Public domain | W3C validator |