348 Index
truth, 21, 22
tu quoque fallacy, 268
two-dimensional reasoning, 112–14
unjustified claims, 22
unsafe inferences, 126, 128
unsound arguments, 70, 254
utilitarianism, 292
valid arguments, 254–61
value, 280
value judgements, 17
Venn diagrams, 95, 236–7
verbal information, 87, 102–4
vested interests, 152
warranted claims, 21–3
weak claims, 25–6, 72
witness statements, 145, 151–2
conditional, 250–1
by witnesses, 145, 151–2
statistical evidence, 269–77
‘straw man’ flaws, 38, 188–9
strong claims, 25–6, 72
sub-arguments, 43
subjective claims, 17
sufficiency, 116–17
sufficient conditions, 249–52
suggestions, 19
suppositional reasoning, 157, 251
synthesis, 301, 309–10
tabular information, 86–7, 102–4
testimony, 145
texts, 7, 196–7
thinking, creative, 2
three-dimensional reasoning, 112–14
tree diagrams, 241, 283
trust, 21