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Mirrors > Home > ILE Home > Th. List > nfsbc1v | GIF version |
Description: Bound-variable hypothesis builder for class substitution. (Contributed by Mario Carneiro, 12-Oct-2016.) |
Ref | Expression |
---|---|
nfsbc1v | ⊢ Ⅎ𝑥[𝐴 / 𝑥]𝜑 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2332 | . 2 ⊢ Ⅎ𝑥𝐴 | |
2 | 1 | nfsbc1 2999 | 1 ⊢ Ⅎ𝑥[𝐴 / 𝑥]𝜑 |
Colors of variables: wff set class |
Syntax hints: Ⅎwnf 1471 [wsbc 2981 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-11 1517 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2171 |
This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-sbc 2982 |
This theorem is referenced by: elrabsf 3020 cbvralcsf 3139 cbvrexcsf 3140 euotd 4279 findes 4627 omsinds 4646 elfvmptrab1 5640 ralrnmpt 5688 rexrnmpt 5689 elovmporab 6106 elovmporab1w 6107 dfopab2 6229 dfoprab3s 6230 mpoxopoveq 6280 findcard2 6932 findcard2s 6933 ac6sfi 6941 dcfi 7026 indpi 7388 nn0ind-raph 9420 uzind4s 9641 indstr 9644 fzrevral 10157 exfzdc 10293 uzsinds 10501 zsupcllemstep 12056 infssuzex 12060 prmind2 12232 bj-bdfindes 15365 bj-findes 15397 |
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