Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > nfra1 | Unicode version |
Description: is not free in . (Contributed by NM, 18-Oct-1996.) (Revised by Mario Carneiro, 7-Oct-2016.) |
Ref | Expression |
---|---|
nfra1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ral 2421 | . 2 | |
2 | nfa1 1521 | . 2 | |
3 | 1, 2 | nfxfr 1450 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wal 1329 wnf 1436 wcel 1480 wral 2416 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-gen 1425 ax-ial 1514 |
This theorem depends on definitions: df-bi 116 df-nf 1437 df-ral 2421 |
This theorem is referenced by: nfra2xy 2475 r19.12 2538 ralbi 2564 rexbi 2565 nfss 3090 ralidm 3463 nfii1 3844 dfiun2g 3845 mpteq12f 4008 reusv1 4379 ralxfrALT 4388 peano2 4509 fun11iun 5388 fvmptssdm 5505 ffnfv 5578 riota5f 5754 mpoeq123 5830 tfri3 6264 nfixp1 6612 nneneq 6751 exmidomni 7014 mkvprop 7032 caucvgsrlemgt1 7603 suplocsrlem 7616 lble 8705 indstr 9388 fimaxre2 10998 prodeq2 11326 zsupcllemstep 11638 bezoutlemmain 11686 bezoutlemzz 11690 exmidunben 11939 mulcncf 12760 limccnp2cntop 12815 bj-rspgt 12993 isomninnlem 13225 |
Copyright terms: Public domain | W3C validator |