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Mirrors > Home > ILE Home > Th. List > 8lt10 | GIF version |
Description: 8 is less than 10. (Contributed by Mario Carneiro, 8-Feb-2015.) (Revised by AV, 8-Sep-2021.) |
Ref | Expression |
---|---|
8lt10 | ⊢ 8 < ;10 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 8lt9 9182 | . 2 ⊢ 8 < 9 | |
2 | 9lt10 9581 | . 2 ⊢ 9 < ;10 | |
3 | 8re 9069 | . . 3 ⊢ 8 ∈ ℝ | |
4 | 9re 9071 | . . 3 ⊢ 9 ∈ ℝ | |
5 | 10re 9469 | . . 3 ⊢ ;10 ∈ ℝ | |
6 | 3, 4, 5 | lttri 8126 | . 2 ⊢ ((8 < 9 ∧ 9 < ;10) → 8 < ;10) |
7 | 1, 2, 6 | mp2an 426 | 1 ⊢ 8 < ;10 |
Colors of variables: wff set class |
Syntax hints: class class class wbr 4030 0cc0 7874 1c1 7875 < clt 8056 8c8 9041 9c9 9042 ;cdc 9451 |
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-mulcom 7975 ax-addass 7976 ax-mulass 7977 ax-distr 7978 ax-i2m1 7979 ax-0lt1 7980 ax-1rid 7981 ax-0id 7982 ax-rnegex 7983 ax-cnre 7985 ax-pre-lttrn 7988 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-int 3872 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-inn 8985 df-2 9043 df-3 9044 df-4 9045 df-5 9046 df-6 9047 df-7 9048 df-8 9049 df-9 9050 df-dec 9452 |
This theorem is referenced by: 7lt10 9583 slotsdnscsi 12839 |
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