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Mirrors > Home > ILE Home > Th. List > 4lt5 | GIF version |
Description: 4 is less than 5. (Contributed by Mario Carneiro, 15-Sep-2013.) |
Ref | Expression |
---|---|
4lt5 | ⊢ 4 < 5 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 4re 9061 | . . 3 ⊢ 4 ∈ ℝ | |
2 | 1 | ltp1i 8926 | . 2 ⊢ 4 < (4 + 1) |
3 | df-5 9046 | . 2 ⊢ 5 = (4 + 1) | |
4 | 2, 3 | breqtrri 4057 | 1 ⊢ 4 < 5 |
Colors of variables: wff set class |
Syntax hints: class class class wbr 4030 (class class class)co 5919 1c1 7875 + caddc 7877 < clt 8056 4c4 9037 5c5 9038 |
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-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 ax-un 4465 ax-setind 4570 ax-cnex 7965 ax-resscn 7966 ax-1cn 7967 ax-1re 7968 ax-icn 7969 ax-addcl 7970 ax-addrcl 7971 ax-mulcl 7972 ax-addcom 7974 ax-addass 7976 ax-i2m1 7979 ax-0lt1 7980 ax-0id 7982 ax-rnegex 7983 ax-pre-ltadd 7990 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-br 4031 df-opab 4092 df-xp 4666 df-iota 5216 df-fv 5263 df-ov 5922 df-pnf 8058 df-mnf 8059 df-ltxr 8061 df-2 9043 df-3 9044 df-4 9045 df-5 9046 |
This theorem is referenced by: 3lt5 9161 2lt5 9162 1lt5 9163 4lt6 9165 4lt7 9171 4lt8 9178 4lt9 9186 4lt10 9586 gausslemma2dlem4 15212 |
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