| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > nfcvd | Structured version Visualization version GIF version | ||
| Description: If 𝑥 is disjoint from 𝐴, then 𝑥 is not free in 𝐴. (Contributed by Mario Carneiro, 7-Oct-2016.) |
| Ref | Expression |
|---|---|
| nfcvd | ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2924 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 Ⅎwnfc 2909 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-5 1943 |
| This proof depends on definitions: df-bi 210 df-ex 1813 df-nf 1817 df-nfc 2911 |
| This theorem is used by: nfeld 2935 ralcom2 3364 cbvexeqsetf 3468 sbcralt 3822 sbcrext 3823 csbie2t 3888 sbcco3gw 4386 sbcco3g 4391 csbco3g 4392 dfnfc2 4892 eusvnfb 5362 eusv2i 5363 dfid3 5557 iota2d 6525 iota2 6526 fmptcof 7128 nfriotadw 7382 riotaeqimp 7400 riota5f 7402 riota5 7403 oprabid 7449 opiota 8060 fmpoco 8096 nfttrcld 9693 axrepndlem1 10605 axrepndlem2 10606 axunnd 10609 axpowndlem2 10611 axpowndlem3 10612 axpowndlem4 10613 axpownd 10614 axregndlem2 10616 axinfndlem1 10618 axinfnd 10619 axacndlem4 10623 axacndlem5 10624 axacnd 10625 nfnegd 11480 prodsn 16055 fprodeq0g 16087 bpolylem 16140 pcmpt 16990 nfchnd 18705 chfacfpmmulfsupp 23094 elmptrab 24059 dvfsumrlim3 26267 itgsubstlem 26282 itgsubst 26283 ifeqeqx 33025 disjunsn 33075 axsepg2 35674 axnulg 35679 axpowg2 35681 axpowg3 35682 bj-elgab 37691 bj-gabima 37692 wl-issetft 38353 unirep 38472 riotasv2d 39838 cdleme31so 41260 cdleme31se 41263 cdleme31sc 41265 cdleme31sde 41266 cdleme31sn2 41270 cdlemeg47rv2 41391 cdlemk41 41801 mapdheq 42609 hdmap1eq 42682 hdmapval2lem 42712 monotuz 43790 oddcomabszz 43793 mnringvald 45059 nfxnegd 46277 fprodsplit1 46431 dvnmul 46779 sge0sn 47215 hoidmvlelem3 47433 |
| Copyright terms: Public domain | W3C validator |