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Mirrors > Home > ILE Home > Th. List > 1red | Unicode version |
Description: 1 is an real number, deductive form (common case). (Contributed by David A. Wheeler, 6-Dec-2018.) |
Ref | Expression |
---|---|
1red |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1re 7026 | . 2 | |
2 | 1 | a1i 9 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wcel 1393 cr 6888 c1 6890 |
This theorem was proved from axioms: ax-1 5 ax-mp 7 ax-1re 6978 |
This theorem is referenced by: recgt0 7816 ltrec 7849 recp1lt1 7865 peano5nni 7917 peano2nn 7926 nn0p1gt0 8211 nn0ge2m1nn 8242 peano2z 8281 ledivge1le 8652 iccf1o 8872 fznatpl1 8938 elfz1b 8952 fzonn0p1p1 9069 elfzom1p1elfzo 9070 qbtwnzlemstep 9103 qbtwnz 9106 rebtwn2zlemstep 9107 rebtwn2z 9109 qfraclt1 9122 flqaddz 9139 btwnzge0 9142 2tnp1ge0ge0 9143 flhalf 9144 ltexp2a 9306 leexp2a 9307 leexp2r 9308 nnlesq 9356 bernneq3 9371 expnbnd 9372 expnlbnd2 9374 cvg1nlemcau 9583 resqrexlem1arp 9603 resqrexlemf1 9606 resqrexlemover 9608 resqrexlemdecn 9610 resqrexlemlo 9611 resqrexlemcalc2 9613 resqrexlemnm 9616 resqrexlemga 9621 |
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