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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 2899 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 Ⅎwnfc 2884 |
| 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 2886 |
| This theorem is referenced by: nfeld 2911 ralcom2 3349 cbvexeqsetf 3457 sbcralt 3824 sbcrext 3825 csbie2t 3889 sbcco3gw 4379 sbcco3g 4384 csbco3g 4385 dfnfc2 4887 nfdisjw 5079 eusvnfb 5340 eusv2i 5341 dfid3 5530 iota2d 6488 iota2 6489 fmptcof 7085 nfriotadw 7333 riotaeqimp 7351 riota5f 7353 riota5 7354 oprabid 7400 opiota 8013 fmpoco 8047 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 11387 prodsn 15897 fprodeq0g 15929 bpolylem 15983 pcmpt 16832 nfchnd 18546 chfacfpmmulfsupp 22819 elmptrab 23783 dvfsumrlim3 26008 itgsubstlem 26023 itgsubst 26024 ifeqeqx 32628 disjunsn 32680 axnulg 35283 bj-elgab 37181 bj-gabima 37182 wl-issetft 37831 unirep 37959 riotasv2d 39327 cdleme31so 40749 cdleme31se 40752 cdleme31sc 40754 cdleme31sde 40755 cdleme31sn2 40759 cdlemeg47rv2 40880 cdlemk41 41290 mapdheq 42098 hdmap1eq 42171 hdmapval2lem 42201 monotuz 43292 oddcomabszz 43295 mnringvald 44563 nfxnegd 45793 fprodsplit1 45947 dvnmul 46295 sge0sn 46731 hoidmvlelem3 46949 |
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