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Mirrors > Home > ILE Home > Th. List > 4re | Unicode version |
Description: The number 4 is real. (Contributed by NM, 27-May-1999.) |
Ref | Expression |
---|---|
4re |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-4 9045 |
. 2
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2 | 3re 9058 |
. . 3
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3 | 1re 8020 |
. . 3
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4 | 2, 3 | readdcli 8034 |
. 2
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5 | 1, 4 | eqeltri 2266 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() |
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-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-4 1521 ax-17 1537 ax-ial 1545 ax-ext 2175 ax-1re 7968 ax-addrcl 7971 |
This theorem depends on definitions: df-bi 117 df-cleq 2186 df-clel 2189 df-2 9043 df-3 9044 df-4 9045 |
This theorem is referenced by: 4cn 9062 5re 9063 4ne0 9082 4ap0 9083 5pos 9084 2lt4 9158 1lt4 9159 4lt5 9160 3lt5 9161 2lt5 9162 1lt5 9163 4lt6 9165 3lt6 9166 4lt7 9171 3lt7 9172 4lt8 9178 3lt8 9179 4lt9 9186 3lt9 9187 8th4div3 9204 div4p1lem1div2 9239 4lt10 9586 3lt10 9587 eluz4eluz2 9635 fz0to4untppr 10193 fzo0to42pr 10290 fldiv4p1lem1div2 10377 faclbnd2 10816 4bc2eq6 10848 resqrexlemover 11157 resqrexlemcalc1 11161 resqrexlemcalc2 11162 resqrexlemcalc3 11163 resqrexlemnm 11165 resqrexlemga 11170 sqrt2gt1lt2 11196 amgm2 11265 ef01bndlem 11902 sin01bnd 11903 cos01bnd 11904 cos2bnd 11906 flodddiv4 12078 4sqlem12 12543 tsetndxnstarvndx 12814 slotsdifplendx 12830 slotsdifdsndx 12841 slotsdifunifndx 12848 dveflem 14905 sin0pilem2 14958 sinhalfpilem 14967 sincosq1lem 15001 coseq0negpitopi 15012 tangtx 15014 sincos4thpi 15016 pigt3 15020 gausslemma2dlem0d 15209 gausslemma2dlem3 15220 gausslemma2dlem4 15221 |
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