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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 2892 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 Ⅎwnfc 2877 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-5 1910 |
| This theorem depends on definitions: df-bi 207 df-ex 1780 df-nf 1784 df-nfc 2879 |
| This theorem is referenced by: nfeld 2904 ralcom2 3353 cbvexeqsetf 3465 sbcralt 3837 sbcrext 3838 csbie2t 3902 sbcco3gw 4390 sbcco3g 4395 csbco3g 4396 dfnfc2 4895 nfdisjw 5088 eusvnfb 5350 eusv2i 5351 dfid3 5538 iota2d 6501 iota2 6502 fmptcof 7104 nfriotadw 7354 riotaeqimp 7372 riota5f 7374 riota5 7375 oprabid 7421 opiota 8040 fmpoco 8076 nfttrcld 9669 axrepndlem1 10551 axrepndlem2 10552 axunnd 10555 axpowndlem2 10557 axpowndlem3 10558 axpowndlem4 10559 axpownd 10560 axregndlem2 10562 axinfndlem1 10564 axinfnd 10565 axacndlem4 10569 axacndlem5 10570 axacnd 10571 nfnegd 11422 prodsn 15934 fprodeq0g 15966 bpolylem 16020 pcmpt 16869 chfacfpmmulfsupp 22756 elmptrab 23720 dvfsumrlim3 25946 itgsubstlem 25961 itgsubst 25962 ifeqeqx 32477 disjunsn 32529 axnulg 35088 bj-elgab 36922 bj-gabima 36923 wl-issetft 37565 unirep 37703 riotasv2d 38945 cdleme31so 40368 cdleme31se 40371 cdleme31sc 40373 cdleme31sde 40374 cdleme31sn2 40378 cdlemeg47rv2 40499 cdlemk41 40909 mapdheq 41717 hdmap1eq 41790 hdmapval2lem 41820 monotuz 42923 oddcomabszz 42926 mnringvald 44195 nfxnegd 45430 fprodsplit1 45584 dvnmul 45934 sge0sn 46370 hoidmvlelem3 46588 |
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