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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 2898 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 Ⅎwnfc 2883 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-5 1912 |
| This theorem depends on definitions: df-bi 207 df-ex 1782 df-nf 1786 df-nfc 2885 |
| This theorem is referenced by: nfeld 2910 ralcom2 3339 cbvexeqsetf 3444 sbcralt 3810 sbcrext 3811 csbie2t 3875 sbcco3gw 4365 sbcco3g 4370 csbco3g 4371 dfnfc2 4872 eusvnfb 5335 eusv2i 5336 dfid3 5529 iota2d 6486 iota2 6487 fmptcof 7083 nfriotadw 7332 riotaeqimp 7350 riota5f 7352 riota5 7353 oprabid 7399 opiota 8012 fmpoco 8045 nfttrcld 9631 axrepndlem1 10515 axrepndlem2 10516 axunnd 10519 axpowndlem2 10521 axpowndlem3 10522 axpowndlem4 10523 axpownd 10524 axregndlem2 10526 axinfndlem1 10528 axinfnd 10529 axacndlem4 10533 axacndlem5 10534 axacnd 10535 nfnegd 11388 prodsn 15927 fprodeq0g 15959 bpolylem 16013 pcmpt 16863 nfchnd 18577 chfacfpmmulfsupp 22828 elmptrab 23792 dvfsumrlim3 26000 itgsubstlem 26015 itgsubst 26016 ifeqeqx 32612 disjunsn 32664 axnulg 35251 bj-elgab 37246 bj-gabima 37247 wl-issetft 37907 unirep 38035 riotasv2d 39403 cdleme31so 40825 cdleme31se 40828 cdleme31sc 40830 cdleme31sde 40831 cdleme31sn2 40835 cdlemeg47rv2 40956 cdlemk41 41366 mapdheq 42174 hdmap1eq 42247 hdmapval2lem 42277 monotuz 43369 oddcomabszz 43372 mnringvald 44640 nfxnegd 45869 fprodsplit1 46023 dvnmul 46371 sge0sn 46807 hoidmvlelem3 47025 |
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