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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 2923 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 Ⅎwnfc 2908 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-5 1929 |
| This theorem depends on definitions: df-bi 209 df-ex 1799 df-nf 1803 df-nfc 2910 |
| This theorem is referenced by: nfeld 2934 ralcom2 3363 cbvexeqsetf 3468 sbcralt 3825 sbcrext 3826 csbie2t 3890 sbcco3gw 4378 sbcco3g 4383 csbco3g 4384 dfnfc2 4886 eusvnfb 5349 eusv2i 5350 dfid3 5543 iota2d 6505 iota2 6506 fmptcof 7108 nfriotadw 7357 riotaeqimp 7375 riota5f 7377 riota5 7378 oprabid 7424 opiota 8036 fmpoco 8069 nfttrcld 9662 axrepndlem1 10547 axrepndlem2 10548 axunnd 10551 axpowndlem2 10553 axpowndlem3 10554 axpowndlem4 10555 axpownd 10556 axregndlem2 10558 axinfndlem1 10560 axinfnd 10561 axacndlem4 10565 axacndlem5 10566 axacnd 10567 nfnegd 11422 prodsn 15975 fprodeq0g 16007 bpolylem 16061 pcmpt 16911 nfchnd 18626 chfacfpmmulfsupp 22903 elmptrab 23867 dvfsumrlim3 26075 itgsubstlem 26090 itgsubst 26091 ifeqeqx 32690 disjunsn 32743 axsepg2 35400 axnulg 35405 axpowg2 35407 axpowg3 35408 bj-elgab 37388 bj-gabima 37389 wl-issetft 38049 unirep 38177 riotasv2d 39545 cdleme31so 40967 cdleme31se 40970 cdleme31sc 40972 cdleme31sde 40973 cdleme31sn2 40977 cdlemeg47rv2 41098 cdlemk41 41508 mapdheq 42316 hdmap1eq 42389 hdmapval2lem 42419 monotuz 43482 oddcomabszz 43485 mnringvald 44753 nfxnegd 45979 fprodsplit1 46133 dvnmul 46481 sge0sn 46917 hoidmvlelem3 47135 |
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