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| 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 2927 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 Ⅎwnfc 2912 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-5 1933 |
| This theorem depends on definitions: df-bi 210 df-ex 1803 df-nf 1807 df-nfc 2914 |
| This theorem is referenced by: nfeld 2938 ralcom2 3367 cbvexeqsetf 3472 sbcralt 3828 sbcrext 3829 csbie2t 3893 sbcco3gw 4382 sbcco3g 4387 csbco3g 4388 dfnfc2 4890 eusvnfb 5355 eusv2i 5356 dfid3 5550 iota2d 6513 iota2 6514 fmptcof 7116 nfriotadw 7365 riotaeqimp 7383 riota5f 7385 riota5 7386 oprabid 7432 opiota 8044 fmpoco 8078 nfttrcld 9667 axrepndlem1 10565 axrepndlem2 10566 axunnd 10569 axpowndlem2 10571 axpowndlem3 10572 axpowndlem4 10573 axpownd 10574 axregndlem2 10576 axinfndlem1 10578 axinfnd 10579 axacndlem4 10583 axacndlem5 10584 axacnd 10585 nfnegd 11440 prodsn 16006 fprodeq0g 16038 bpolylem 16092 pcmpt 16942 nfchnd 18657 chfacfpmmulfsupp 22981 elmptrab 23945 dvfsumrlim3 26153 itgsubstlem 26168 itgsubst 26169 ifeqeqx 32798 disjunsn 32849 axsepg2 35448 axnulg 35453 axpowg2 35455 axpowg3 35456 bj-elgab 37436 bj-gabima 37437 wl-issetft 38097 unirep 38225 riotasv2d 39593 cdleme31so 41015 cdleme31se 41018 cdleme31sc 41020 cdleme31sde 41021 cdleme31sn2 41025 cdlemeg47rv2 41146 cdlemk41 41556 mapdheq 42364 hdmap1eq 42437 hdmapval2lem 42467 monotuz 43530 oddcomabszz 43533 mnringvald 44801 nfxnegd 46013 fprodsplit1 46167 dvnmul 46515 sge0sn 46951 hoidmvlelem3 47169 |
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